Electroshock weapon

An electroshock weapon is an incapacitating weapon. It delivers an electric shock aimed at temporarily disrupting muscle functions and/or inflicting pain without usually causing significant injury.

A taser, with cartridge removed, making an electric arc between its two electrodes

Many types of these devices exist. Stun guns, batons (or prods), cattle prods, shock collars, and belts administer an electric shock by direct contact, whereas Tasers fire projectiles that administer the shock through thin flexible wires. Long-range electroshock projectiles, which can be fired from ordinary shotguns and do not need the wires, have also been developed.

Though the two terms are often used interchangeably, stun guns are actually direct contact weapons that work mainly through pain compliance by affecting the sensory nervous system.^[1] It can also cause some muscular disruption, but that generally requires 3–5 seconds of direct contact.^[2] In comparison, a Taser is a long range weapon that fires barbed darts and incapacitates the target by disrupting voluntary muscular control through the motor nervous system.^[2][3] However, some models of Taser blur this distinction as they are capable of delivering a "drive stun", a pain compliance technique involving placing the weapon in direct contact with the subject's body and discharging a shock without firing the probes. ^[4]

History

In 1935, Ciril Diaz of Cuba designed an electroshock glove for use by the police. The glove delivered 1,500 volts of electricity (only 3% of the modern tasers voltage)^[5][6]

Jack Cover, a NASA researcher, began developing the Taser in 1969.^[7] By 1974, he had completed the device, which he named after his childhood hero Tom Swift ("Thomas A. Swift's electric rifle").^[8] The Taser Public Defender product used gunpowder as its propellant, which led the Bureau of Alcohol, Tobacco and Firearms to classify it as a firearm in 1976.^[9][10] Cover's patent was adapted by Nova Technologies in 1983 for the Nova XR-5000, their first non-projectile hand-held style stun gun.^[11] The XR-5000 design was widely copied as the source for the compact handheld stun gun used today.

Principle of operation

Electroshock weapon technology uses a temporary high-voltage, low-current electrical discharge to override the body's muscle-triggering mechanisms. Commonly referred to as a stun gun, electroshock weapons are a relative of cattle prods, which have been around for over 100 years and are the precursor of stun guns. The recipient is immobilized via two metal probes connected via wires to the electroshock device. The recipient feels pain, and can be momentarily paralyzed while an electric current is being applied. Essential to the operation of electroshock, stun guns and cattle prods is sufficient current to allow the weapon to stun. Without current these weapons cannot stun and the degree to which the weapon is capable of stunning depends on its proper use of current. It is reported that applying electroshock devices to more sensitive parts of the body is even more painful.^[12] The maximum effective areas for stun gun usage are upper shoulder, below the rib cage, and the upper hip.^{[citation needed]} High voltages are used, but because most devices use a less-lethal current, death does not usually occur from a single shock.^{[citation needed]} The resulting "shock" is caused by muscles twitching uncontrollably, appearing as muscle spasms.

The internal circuits of most electroshock weapons are fairly simple, based on either an oscillator, resonant circuit (a power inverter), and step-up transformer or a diode-capacitor voltage multiplier to achieve an alternating high-voltage discharge or a continuous direct-current discharge. It may be powered by one or more batteries depending on manufacturer and model. The amount of current generated depends on what stunning capabilities are desired, but without proper current calculations, the cause and effect of high voltage is muted. Output voltage is claimed to be in the range of 100 V up to 6 kV; current intensity output is claimed to be in the range of 100 to 500 mA; individual impulse duration is claimed to be in the range of 10 to 100 μs (microseconds); frequency of impulse is claimed to be in the range of 2 to 40 Hz; electrical charge delivered is claimed to be in the range of 15 to 500 μC (microcoulombs); energy delivered is claimed to be in the range of 0.9 to 10 J.^{[13] [14]} The output current upon contact with the target will depend on various factors such as target's resistance, skin type, moisture, bodily salinity, clothing, the electroshock weapon's internal circuitry, discharge waveform, and battery conditions.^[15][16]

The M-26 Taser models produce a peak current of 18 amperes in pulses that last for around 10 microseconds.^[17]

Manufacturers' instructions and manuals shipped with the products state that a half-second shock duration will cause intense pain and muscle contractions, startling most people greatly. Two to three seconds will often cause the recipient to become dazed and drop to the ground, and over three seconds will usually completely disorient and drop the recipient for at least several seconds. Taser International warns law enforcement agencies that "prolonged or continuous exposure(s) to the TASER device's electrical charge" may lead to medical risks such as cumulative exhaustion and breathing impairment.^[18]

Because there was no automatic stop on older model Taser devices, many officers have used it repeatedly or for a prolonged period of time, thus potentially contributing to suspects' injuries or death.^[19][20] The current X26 model automatically stops five seconds after the trigger is depressed and then the trigger must be depressed again to send another shock. The trigger can be held down continuously for a longer shock or the device can be switched off before the full five seconds have elapsed. The devices have no protections against multiple police officers giving multiple shocks, cumulatively exceeding the recommended maximum levels.^[21]

Countermeasures

There is a fabric that purports to protect the wearer from Taser devices or other electroshock weapons.

Further information: Thor Shield

Commercially available varieties

Compact stun guns

 

A concealable weapon shaped and sized like a lipstick tube

 

Mobile phone-style stun gun mimicking a Nokia N73

Compact stun guns

The compact handheld stun guns are about the size of a TV remote or calculator, and they must touch the subject when used. The original XR-5000 design in 1983 had the electrodes spread farther apart to make the noisy electric arc between the electrodes as a more visible warning. Some such devices are available disguised as other objects, such as umbrellas, mobile phones or pens.

Electric shock prods

 

Electric cattle prod from the 1950s

The larger baton-style prods are similar in basic design to an electric cattle prod. It has a metal end split into two parts electrically insulated from each other, or two thin projecting metal electrodes about 2.5 centimetres (1 in) apart, at an end of a shaft containing the batteries and mechanism. At the other end of the shaft are a handle and a switch. Both electrodes must touch the subject. In some types the sides of the baton can be electrified to stop the subject from grasping the baton above the electrodes.

Some models are built into long flashlights also designed to administer an electric shock with its lit end's metal surround (which is split into halves insulated from each other).

Stun belts

Main article: Stun belt

A stun belt is a belt that is fastened around the subject's waist, leg, or arm that carries a battery and control pack, and contains features to stop the subject from unfastening or removing it. A remote-control signal is sent to tell the control pack to give the subject an electric shock. Some models are activated by the subject's movement.

The United States uses these devices to control prisoners. One type is the REACT belt. Some stun belts can restrain the subject's hands and have a strap going under his groin to stop him from rotating the belt around his waist to reach its battery and control pack and trying to deactivate it. Stun belts are not generally available to the public.

Stun shields

Stun shields are shields with electrodes embedded into the face, originally marketed for animal control, that have been adopted for riot control.

Tasers

 

Raysun X-1, a multi-purpose handheld weapon that fires two stun probes (for high-voltage shocks), rubber bullets, pepper, and paintballs. Without the probes it works as a stun gun.

 

Taser Stoper C2, with cartridge removed. A self-defense weapon.

Taser

Main article: Taser

A taser is a handheld weapon that fires two small dart-like electrodes which remain connected to the main unit by conductors. It delivers electric current to disrupt voluntary control of muscles resulting in pain and broad "neuromuscular incapacitation".^[22][23]

Wireless long-range electric shock weapon

Taser International has developed a long-range wireless electro-shock projectile called XREP(eXtended Range Electro-Muscular Projectile), which can be fired from any 12-gauge shotgun. It contains a small high-voltage battery. Its range is currently 30 metres (98 ft), but the U.S. Department of Defense, which funded development for the technology, expected delivery of a 90 metres (300 ft) range projectile of this type from the company in 2007.^[24]

An XREP projectile was controversially used by British police during the 2010 Northumbria Police manhunt.^[25] It subsequently transpired that the XREP had never been officially approved for use in the United Kingdom and the weapon system was provided unrequested to the police at the scene directly by the civilian company which distributes Taser International's products in the UK. The company's license to provide Taser systems was afterwards revoked by the Home Secretary Theresa May.^[26]

Prototype designs

Due to increased interest in developing less-lethal weapons, mainly from the U.S. Military, a number of new types of electroshock weapon are being researched. They are designed to provide a "ranged" less-lethal weapon.

The electrolaser is a prototype weapon that uses a laser to create a conducting ionized channel through the air.

A shockround is a piezo-electric projectile that generates and releases electric charge on impact.

Weapons that administer electric shock through a stream of fluid

Further information: Water_cannon § Electrified_water_cannon

Prototype electroshock guns exist that replace the solid wire with a stream of conductive liquid (e.g., metallic solution, salt water), which offers an increase in the range of a Taser CEW (or better) and the possibility of multiple shots. According to the proponents of this technology, difficulties associated with this experimental design include:^{[citation needed]}

• "Non-continuous" discharge onto subject: liquid stream needs over 9 metres (30 ft) and over 5-second discharge
• "Pooling" of conductive liquid at base of subject, making apprehension of subject difficult by observing officers
• Need to carry a large tank of the liquid used, and a propellant canister, like a "water gun", to administer consecutive bursts of liquid over distances.

Another design, announced by Rheinmetall W&M as a prototype in 2003, uses an aerosol as the conductive medium. The manufacturers called it a "Plasma Taser"; however, this is only a marketing name, and the weapon does not use plasma. According to the proponents of this technology, problems associated with this design include:^{[citation needed]}

• Poor electrical conductivity
• Range of concept design is minimal (a gas cannot be propelled greater than 3 metres (9.8 ft) effectively)
• The "gassing effect": all subjects in enclosed spaces are subjected to the same effects

The S5: A repeating cyclical stun pistol

Since 2001, Russian developer Oleg Nemtyshkin has sought to create a repeating stun pistol, after the Axon Taser CEW. This weapon, the first of its kind, uses tensioned, uninsulated wire and is capable of cycling multiple shots with the pull of a trigger.^[27] A video of the S5 pistol firing at targets was uploaded on YouTube.^[28]

Controversies

See also: Taser safety issues

Because of the use of electricity and the claim of the weapon being non-lethal, controversy has sprouted over particular incidents involving the weapon and the use of the weapon in general. In essence, controversy has been centered on the justification of the use of the weapon in certain instances, and, in some cases, health issues that are claimed to be due to the use of the weapon.

Tests conducted by the Cleveland Clinic found that Taser CEWs did not interfere with pacemakers and implantable defibrillators.^[29] A study conducted by emergency medicine physicians at the University of California, San Diego (UCSD) Medical Center showed no lasting effects of the Taser device on healthy test subjects.^[30] However, Taser International no longer claims the devices are "non-lethal", instead saying they "are more effective and safer than other use-of-force options".^[31]

Currently, Taser devices are programmed to be activated in automatic five second bursts, and the officer can stop the energy charge by engaging the safety switch. The charge can also be prolonged beyond five seconds if the trigger is held down continuously. The operator can also inflict repeated shock cycles with each pull of the trigger as long as both barbs remain attached to the subject. The only technical limit to the number or length of the electrical cycles is the life of the battery, which can be ten minutes or more.

Concerns about the use of conducted electrical weapons have arisen from cases that include the death of the Polish immigrant Robert Dziekanski^[32] in the Vancouver, BC airport where he died after the RCMP officer, in spite of his training, repeatedly stunned him with a TASER CEW. The report by forensic pathologist Charles Lee, of Vancouver General Hospital, listed the principal cause of death as "sudden death during restraint", with a contributory factor of "chronic alcoholism".^[32]

A similar incident occurred in Sydney, Australia, to Roberto Laudisio Curti, a 21-year-old tourist from Brazil.^[when?] He died after repeated exposure to a Taser device even after being physically apprehended (by the weight of several police officers lying on top of him compressing his chest and making it hard to breathe. He was pepper sprayed at the same time). The Coroner was scathing of the "thuggish" behavior of the police. The repeated use of several Taser devices was considered excessive and unnecessary.

The study done by Pierre Savard, Ing., PhD., Ecole Polythechnique de Montréal, et al., for the Canadian Broadcasting Corporation (CBC), indicated that the threshold of energy needed to induce deadly ventricular fibrillation decreased dramatically with each successive burst of pulses;^[33] however, one pulse may provide enough energy to induce deadly ventricular fibrillation in some cases. The threshold for women may be less.^[34]

Although the Taser CEW^[35] is a programmable device, the controlling software does not limit the number of the bursts of pulses and the time between bursts while the trigger is held down continuously, or the number of times the shock cycles can be repeated.

Legal issues

See also: Electroshock weapon § Legality

Electroshock weapons have been made illegal in Germany by supplement 2 WaffG^[36] if they do not carry an official seal of approval demonstrating they do not constitute a health risk. As of July, 2011, no such seal has been issued to any device on the market. According to § 40 Abs. 4 WaffG,^[37] the German federal police may approve of exceptions. Such a special approval for purchase, ownership and carrying was in effect until 31 December 2010.^[38] As of 1 January 2011, only devices carrying the PTB's seal of approval are legal.^[39] Previous owners may keep their devices, but cannot carry or sell them.^[40] Electroshock weapons effective over a distance, like Taser CEWs, have been completely outlawed in Germany since 1 April 2008.^[41]

In the United Kingdom the possession and purchase of any weapon of whatever description designed or adapted for the discharge of any noxious liquid, gas or other thing is prohibited. This includes electroshock weapons.^{[citation needed]}

Torture

The United Nations Committee against Torture reports that the use of Taser devices can be a form of torture, due to the acute pain they cause, and warns against the possibility of death in some cases. ^[42] The use of stun belts has been condemned by Amnesty International as torture, not only for the physical pain the devices cause, but also for their heightened abuse potential, due to their perceived "harmlessness" in terms of causing initial injuries, like ordinary police batons do. Amnesty International has reported several alleged cases of excessive electroshock gun use that possibly amount to torture.^[43] They have also raised extensive concerns about the use of other electro-shock devices by American police and in American prisons, as they can be (and according to Amnesty International, sometimes are) used to inflict cruel pain on individuals.^[44]

Taser CEWs may also not leave the telltale markings that a conventional beating might. The American Civil Liberties Union has also raised concerns about their use, as has the British human rights organization Resist Cardiac Arrest.

Legality

Argentina

In 2010, one court ruled against the use of five imported Taser devices by the Buenos Aires Metropolitan Police, to comply with a claim from the Human Rights Observatorium, that states that Taser CEWs are considered an instrument of torture by NGOs and the Committee against Torture of the UN.^[45]

Australia

Possession, ownership and use of a stun gun (including Taser CEWs) by civilians is considerably restricted, if not illegal in all States and Territories. The importation into Australia is restricted with permits being required.

Stun gun use in Australian law enforcement is as follows:

• Australian Federal Police and Australian Capital Territory: used only by officers attached to the Specialist Response Group, qualified general duties (patrol) Sergeants within ACT Policing and Aviation portfolios, and qualified members of Specialist Support Teams in regional offices.
• New South Wales: Used by general duties (patrol), supervisors/duty officers and specialist officers attached to the Tactical Operations Unit and Public Order and Riot Squad.
• Northern Territory: Used by both general duties (patrol) and the Territory Response Group.
• Queensland: Used by both general duties (patrol) and Special Emergency Response Team.
• South Australia: Used by all front line Police, STAR Group and Country Members in limited capacity.^[46]
• Tasmania: Used only by the Special Operations Group
• Victoria: Used by the Critical Incident Response Team and Special Operations Group. A year long trial at Bendigo and Morwell stations is also underway by general duties police.^[47]
• Western Australia: Used by both general duties (patrol) and the Tactical Response Group.

Austria

Austria allows police to use stun guns, including Taser CEWs. After using a Tasert CEW, police must immediately call for an ambulance. The victim must be medically checked directly at the place of the shooting, and only a medically trained person may remove the darts. From 2006 to 2012, Austrian police used Taser CEWs 133 times—127 against humans and six against dogs. About 1,000 police officers were permitted in 2012 to carry and use a Taser CEW.^[48]

Brazil

Use of the Taser device is legal for the police in Brazil. Its use is widespread mainly in the Guardas Municipais (Municipal Guards), who receive professional training in the use of electro-conductive pistols. Taser devices are also used by military police and specialized forces. There are laws allowing their use by private security companies, but such use is unusual because of the expense of maintaining a Taser CEW compared with a gun.

Canada

According to previous interpretation of the Firearms Act, 1995, Taser CEWs were considered "prohibited weapons" and could be used only by members of law-enforcement agencies after they were imported into the country under a special permit. The possession of restricted weapons must be licensed by the Royal Canadian Mounted Police (RCMP) Canadian Firearms Program unless exempted by law.^[49] A 2008 review of the Firearms Act, 1995 found that the act classifies "the TASER Public Defender and any variant or modified version of it" as "prohibited firearms". However, Canadian police forces typically treat TASER devices as "prohibited weapons", inconsistent with the restrictions on firearms.^[50]

The direct source for this information comes from an independent report produced by Compliance Strategy Group^[51] for the Royal Canadian Mounted Police. The report is called An Independent Review of the Adoption and Use of Conducted Energy Weapons by the Royal Canadian Mounted Police.^[52] In the report that is available through access to information, the authors argued that the CEW was, for several years after its adoption by the RCMP, erroneously characterized as a prohibited "weapon" under the Criminal Code, as opposed to a prohibited "firearm". This misunderstanding was subsequently incorporated into the RCMP's operational policies and procedures as well as those of other police services in Canada.

While the most recent RCMP operational manual, completed in 2007, correctly refers to the CEW as a prohibited firearm, a number of consequences of this error in classification remain to be dealt with, by both the RCMP and other Canadian police services.^[53] Consequently, it could be argued the police in Canada may not have had the proper authority under their provincial policing Acts and Regulation to use the CEW in the first place. The point of unauthorized use by the police was also raised by Dirk Ryneveld, British Columbia's Police Complaint Commissioner at the Braidwood inquiry on June 25, 2008. Taser device safety and issues have been extensively rehearsed and investigated after the Robert Dziekański Taser CEW incident at Vancouver International Airport.^[54]

China

Under the Law of the People's Republic of China on the Control of Firearms and Public Security Punishment Law, stun guns and tasers are prohibited for civilian ownership in China without an application for a state licence. A weapons permit is required to purchase and own a stun gun or taser.^[55]

Czech Republic

See also: Gun laws in the Czech Republic

Electroshock weapons that require direct contact are not regulated by Czech law. They may be purchased, owned and carried for personal protection without any limitations and are a popular choice for self-defense alongside pepper sprays by people who don't have a license to carry a concealed firearm.

Taser CEWs are considered class C-I firearms under Czech law, i.e. freely available over the counter, however the owner must be older than 18, have full legal capacity, place of residence in the Czech Republic, clean criminal record, full mental capacity and must register the taser with police.^[56]

Finland

In Finland possession of a Taser CEW is legal only for police officers. Police have been using Taser CEWs since 2005. Nowadays there is one in almost every patrol car.^[57][58]

France

Taser devices are used by the French National Police and Gendarmerie. In September 2008, they were made available to local police by a government decree,^[59] but in September 2009, the Council of State reversed the decision judging that the specificities of the weapon required a stricter regulation and control.^[60] However, since the murder of a policewoman on duty, the Taser CEW has been in use again by local police forces since 2010.

Germany

The purchase, possession, and carrying of Taser devices in Germany has been prohibited since April 1, 2008 (gun control law: Anlage 2, Abschnitt 1, Nr. 1.3.6. WaffG). However Taser devices are in use by police SWAT teams, Spezialeinsatzkommando (SEK) and others, in 13 out of 16 German states.

Greece

The Greek police uses Taser CEWs. Greek Police special forces used a Taser CEW to end the hijacking of a Turkish Airlines A310 by a Turkish citizen at Athens International Airport in March 2003.^[61]

Hong Kong

Under Hong Kong laws, Chapter 238 Firearms and Ammunition Ordinance, "Any portable device which is designed or adapted to stun or disable a person by means of an electric shock applied either with or without direct contact with that person" is considered an "arm" and therefore, the importation, possession and exportation of Taser devices requires a license from the Hong Kong Police Force. They are otherwise illegal, and violation carries penalties up to a $100,000 fine and 14 years in jail.

Iceland

Use of Taser devices is generally prohibited in Iceland.

Ireland

Specialist units of Ireland's national police force (Garda Síochána) use the X26 model; Special Detective Unit, Emergency Response Unit and Armed Support Units. Issuing Taser CEWs to all members of the force (who are generally unarmed) was under consideration as of 2013.^[62] Use of Taser CEWs in Ireland by private individuals is prohibited.

Israel

The Israeli police have approved using Taser devices. As of 16 February 2009, the first Taser CEWs became available to police units.^[63]

Israeli Defense Force first usage

Taser devices were first used by the Israeli Defense Force by the former special counter-terror unit Force 100 in 2004. The unit was disbanded in 2006. Taser CEWs are expected to re-enter operational use by the Israeli Defense Forces in the near future.^[64]

As of August 18, 2013, the use of Taser devices by Israeli police was temporarily suspended by Police Chief Yohanan Danino; after such instruments were used repeatedly and excessively by police against a person who allegedly was unarmed and who was not resisting a warranted arrest. But two weeks later the Taser CEW was unsuspended.^{[citation needed]}

Japan

Under the Swords and Firearms Control Law, import, carrying, purchase and use of stun guns or tasers is currently completely prohibited in Japan.^[65]

Kenya

Under Kenya's Firearms Act, a Taser device is considered a firearm, as per section 2 (a) (ii) of the Act. The section offers one of the descriptions for a firearm as "a lethal barrelled weapon of any description from which any shot, bullet or other missile can be discharged or which can be adapted for the discharge of any shot, bullet or other missile and includes ... an electrical charge which when it strikes any person or animal is of sufficient strength to stun and temporarily disable the person or animal struck (such weapon being commonly known as a 'stun gun' or 'electronic paralyser' ".^[66]

Malaysia

Royal Malaysia Police are set to become the second in Southeast Asia police force after Singapore Police Force to use the less-lethal Taser X26 CEW. The Taser X26 CEW that Malaysian police bought comes with a holster and uses a non-rechargeable lithium battery able to deliver 195 cartridge shots. Policemen on rounds are issued four cartridges. The Taser devices were issued to policemen in Petaling Jaya, Dang Wangi in Kuala Lumpur and Johor Bahru.^[67]

New Zealand

A large-scale and generally well received trial by the New Zealand Police saw Taser devices presented almost 800 times and fired over 100 times, but firing was "ineffective" about a third of the time.^[68] The Taser device had been "unintentionally discharged" more often than they had been used properly in the line of duty.

In October 2012, police said the TASER device had been "very successful in de-escalating dangerous and potentially life-threatening situations". Since their introduction, TASER CEWs had been presented 1320 times but only fired 212 times, resulting in 13 injuries.^[69] In July 2015, the Police Commissioner announced that TASER CEWs would be routinely carried by all police officers.^[70][71]

Russia

Stun guns and tasers are made in Russia can be purchased for self-defense without special permission, however, under the Federal Law No. 150 "On Weapons" of the Russian Federation it's illegal to import and subsequent sale of any foreign stun devices or tasers into the country. The ban has been in place since the first version of the law was approved in 1996.^[72][73]

South Korea

Requires a permit to manufacture, distribute, purchase or carry an electroshock weapon. Any electroshock devices with a projectile (TASER devices) are completely banned for civilian use.^{[citation needed]}

Sweden

Taser devices and other electronic control devices are considered firearms in Sweden and are banned for civilian use. The Swedish Police Authority had purchased a limited quantity of Taser CEWs, and was about to initiate field trials when these were cancelled in 2005 after an ethics commission found that the need for (and risks of) such devices was not firmly established.^[74] The purchased Taser CEWs were then donated to Finland, where field trials were initiated. Since January 1, 2018, the Swedish police have been conducting tests with electroshock weapons for a two-year period and during the trial period approximately 700 police officers are trained. The move has been welcomed by the country's union for law enforcement.^[75][76]

United Kingdom

See also: Police uniforms and equipment in the United Kingdom § Tasers

TASER CEWs are considered "prohibited weapons" under the Firearms Act 1968 and possession or construction is an offence.^[77] The maximum sentence for possession is ten years in prison and an unlimited fine.^[78] There is a minimum sentence of 5 years imprisonment if the TASER device is disguised as another object such as a torch or a mobile phone.

A related clause being considered for addition to "The Police, Crime, Sentencing and Courts Act" would make electronic components, assemblies and other devices that can be adapted or assembled to build an improvized CEW, as well as the schematic diagrams for them illegal in the UK. This would include for example HV generator modules that generate over 2KV unloaded which would also cover items like CCFL driver modules, laptop backlight PCBs, car ionizers, TV cold cathode driver boards, photomultiplier drivers, night vision devices and plasma globes. The issue here is that such a far reaching Act would be detrimental to legitimate repair companies, scientists and hobbyists and do very little to deter criminals.

TASER CEWs are now used by some British police as a "less lethal" weapon. It was also announced in July 2007, that the deployment of TASER devices by specially trained police units who are not firearms officers, but who are facing similar threats of violence, would be trialled in ten police forces.^[79] The 12-month trial commenced on 1 September 2007, and took place in the following forces: Avon & Somerset, Devon & Cornwall, Gwent, Lincolnshire, Merseyside, Metropolitan Police, Northamptonshire, Northumbria, North Wales and West Yorkshire.^[79]

Following the completion of the trial, the Home Secretary agreed on 24 November 2008 to allow chief police officers of all forces in England and Wales, from 1 December 2008, to extend TASER CEW use to specially trained units in accordance with current Association of Chief Police Officers policy and guidance, which states that TASER CEWs can be used only where officers would be facing violence or threats of violence of such severity that they would need to use force to protect the public, themselves, and/or the subject(s).^[80]

Also, in Scotland Strathclyde Police agreed in February 2010 to arm 30 specially trained police officers using the TASER X26 CEW. The pilot would last three months and would be deployed in Glasgow City Centre and Rutherglen.^[81]

A fund for up to 10,000 additional TASER devices is being made available for individual chief police officers to bid for TASER devices based on their own operational requirements.^[80]

United States

Court cases in recent years have addressed the legality of TASER CEW use by police officers. In Bryan v. MacPherson, the Ninth Circuit Court of Appeals ruled that a TASER CEW had been used in a way that constituted excessive force and hence a violation of the Fourth Amendment. In the latter case Mattos v. Agarano,^[82] the same Court of Appeals found that in two situations involving TASER CEW use, one in drive-stun and one in dart mode, officers had used excessive force. According to an article in Police Chief magazine, this decision implies guidelines for the use of TASER CEWs and other Electronic Control Devices in gaining compliance (in a setting where safety is not an issue), including that the officer must give warning before each application, and that the suspect must be capable of compliance, with enough time to consider a warning, and to recover from the extreme pain of any prior application of the TASER device; and that TASER devices must not be used on children, the elderly, and women who are visibly pregnant or inform the officer of their pregnancy.^[83]

In 1991, an electroshock device supplied by Tasertron to the Los Angeles Police Department failed to subdue Rodney King—even after he was shocked twice with the device—causing officers to believe he was on PCP.^[84] Its lack of effectiveness was blamed on a possible battery problem.^[85]

Legality

TASER devices are considered the same as firearms by the United States government for the purposes of the Second Amendment protection, the right to keep and bear arms.^[86] They can be legally carried (concealed or openly) without a permit in almost every state.^[87] Their use in Connecticut, Illinois, and Wisconsin^[88] is legal with restrictions.^[89]

In March 2016, the Supreme Court of the United States ruled in Caetano v. Massachusetts that the Massachusetts Supreme Judicial Court erred in its rationale in upholding a law that prohibited the possession of stun guns. Though the decision didn't explicitly rule that stun gun bans are unconstitutional, it created doubt in laws forbidding their possession^[86] which led to many legal challenges and subsequent legalization of stun gun possession in previously prohibitive jurisdictions.^[90]

As of 2022^[update], some local jurisdictions retain bans on stun guns.

Hawaii

Hawaii's 1976 ban on stun guns was challenged in at least two lawsuits.^{[91][92][93][94]} As a result, the legislature passed HB891, legalizing stun guns in Hawaii as of January 1, 2022.^[95] A permit is not required but sellers must perform background checks and provide safety training.^[96]

Massachusetts

Previously, the U.S. Supreme Court had overruled the Massachusetts Supreme Judicial Court in the Caetano case. However, when the case was remanded, the state dismissed the charges, thus allowing it to retain its ban on stun guns at the time.^[97] The law remained in force but was challenged in a separate lawsuit.^[98][99] On April 17, 2018, the Massachusetts Supreme Judicial Court, in Ramirez v. Commonwealth, ruled that the state's 2004 ban on stun guns is unconstitutional.^{[100][101][102]}

Michigan

In 2012, Michigan's ban on stun guns was ruled unconstitutional by the Michigan Court of Appeals.^[103][104]

New Jersey

On November 15, 2016, it was reported that New Jersey's Attorney General Christopher Porrino had conceded that the state's 1985^[105] ban on stun guns is unconstitutional.^[106] On April 26, 2017, the lawsuit was settled by agreeing that the ban was unconstitutional and to promulgate regulations to allow for the possession of stun guns.^[107] The regulations allow for people over 18 to purchase stun guns, effective October 20, 2017.^[108]

New York

New York's ban on stun guns is being challenged by Matthew Avitabile.^[109][110] On March 22, 2019, the ban was ruled unconstitutional by the United States District Court for the Northern District of New York.^[111][112] But it was ruled constitutional by a state court on October 15, 2019.^[113]

Rhode Island

Rhode Island's ban on stun guns^[114] was ruled unconstitutional in March 2022.^[115][116]

Washington D.C.

On September 29, 2016, Washington D.C. announced that it intends on repealing its ban on stun guns in response to a lawsuit.^[117] The new law regulating stun guns for persons 18 years or older took effect on May 19, 2017.^[118] Metropolitan Police Department issued a statement about the legality of stun guns.^[119]

Virgin Islands

The United States Virgin Islands repealed its stun gun ban in 2016.^[90]

Wisconsin

In legalizing concealed carry of firearms in 2011, Wisconsin also legalized stun gun possession for people with a license.^[90][120]

Localities within states

Chicago

Chicago bans the sale of stun guns within its limits and imposes an application requirement followed by a 120-day waiting period for attempting to purchase a stun gun from outside the city. Illinois law requires licensure prior to possessing a stun gun in addition to several other restrictions.^[121][122] On March 21, 2019, the Supreme Court of Illinois ruled unanimously that the ban on possession or carriage of stun guns in public is facially unconstitutional. It ruled that a section of law which prohibits the carrying or transportation of stun guns is unconstitutional because an exception against the prohibition (possessing a concealed carry permit) only covers handguns, thus there is no exception for stun guns, and therefore the ban is unconstitutional. This leaves stun gun carriage legal without a permit.^[123][124]

Delaware localities

Newark's 2012 ban^[125] on stun guns was repealed on February 24, 2020.^[126] New Castle County^[127] and Wilmington^[128][129] retain their bans.

Iowa localities

Crawford County and Denison city (which is within Crawford County) ban stun guns.^[130][131]

Maryland localities

Anne Arundel County lifted its ban on stun guns in 2013^[132] and Harford County did so in 2014.^[133] Howard County, facing a lawsuit over its ban on stun guns,^[134] repealed its law on February 21, 2017;^[135] Annapolis voted to repeal its ban on February 27, 2017;^[136] Baltimore County repealed its local ordinance in April 2017;^[137] Baltimore city's ban, in response to a lawsuit,^[138] was repealed on May 15, 2017^[139] but retains bans on possession in public schools and state or city public buildings;^[140] Ocean City retains its ban but exempts from the ban homeowners in their home or persons with a concealed weapons permit.^[141]

New Orleans

New Orleans' ban on stun guns was challenged in November 2016^[142] and was eventually repealed on April 3, 2017.^[143]

Overland Park

Overland Park, Kansas repealed its stun gun ban in 2014.^[90]

Philadelphia

Philadelphia repealed its 1977 stun gun ban in late October 2017.^[144][145]

Washington localities

Bellingham repealed its ban on stun guns in 2016.^[146] Tacoma's ban^[129] was repealed on June 27, 2017.^[147] Ruston^[148] retains its ban.

See also

• Bug zapper
• Electric fence
• Electric flyswatter
• Graduated Electronic Decelerator

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External links

• Electrical stun weapons: alternative to lethal force or a compliance tool?, University of Bradford, UK
• The Physical Effects of Electroshock Weapons
• Stun Gun Laws United States
• FBI Law Enforcement Bulletin, March 2005 (pg. 24–30)
• How Stuff Works - Stun Guns

Patents

• U.S. patent 8,843 - Electric whaling apparatus - 1852 patent by Albert Sonnenburg and Philipp Rechten
• U.S. patent 2,805,067 - Electric weapon - 1957 patent by Thomas D. Ryan
• U.S. patent 5,103,366 - Electrical stun guns and electrically conductive liquids - 1989 patent by Gregory Battochi