1. Citing deaths in police custody, ACLU of Colorado calls for limits on use of electroshock weapons;American Civil Liberties Union;ACLU Library,2006
2. Amnesty International.2004.USA/Canada: Pattern of abuse—Suspend use of taser guns. Available from:http://web.amnesty.org/library/index/ENGAMR511682004[Last accessed 13 January 2020].
3. Excessive and lethal force? Amnesty International's concerns about deaths and ill‐treatment involving police use of tasers;Amnesty International;Amnesty International Library,2006
4. 73 cases of death following stun gun use;Anglen R;Arizona Republic,2006