TED: Stephen Coleman: The moral dangers of non-lethal weapons - Stephen Coleman (2011)

TED: Stephen Coleman: The moral dangers of non-lethal weapons - Stephen Coleman (2011): Pepper spray and tasers are in increasing use by both police and military, and more exotic non-lethal weapons such as heat rays are in the works. At TEDxCanberra, ethicist Stephen Coleman explores the unexpected consequences of their introduction and asks some challenging questions.