Remember tasers? They continue to get even scarier:
Later this year, Taser will start selling a civilian version of its three-shot people zapper. Unlike the law enforcement model, it will have a range of only 15 feet. Despite that limitation, the increased firepower may lead to some regrettable incidents. It’s anybody’s guess whether armed civilians will abuse their ability to shock people repeatedly, the way that cops do.From Wired.
See also their Christopher-Hitchens-esque report on getting tazed, which is not graphic (I promise).