We had an incident in the US where a tazer killed someone. A big stink was made about how the company claimed they were absolutely non-lethal. I believe the victim had heart problems before the incident. Somehow, people here jumped on the company/police force for discovering that tazers aren't 100% non-lethal but rather 98% or so, yet ignore the fact that every time one is used, it probably prevents the use of a firearm with a much higher lethality rate.