On December 3rd, a New York City grand jury failed to indict NYPD officer Daniel Pantaleo in the death of Eric Garner. Protesters around the world, from Oakland to New Delhi, reacted to this decision, demanding reforms to counterbalance the power wielded by law enforcement. They adopted as a slogan Garner's chilling final words: I can't breathe. I can't breathe. I can't breathe. Garner is only one of several high-profile cases of black men killed by police. Sadly, these incidents are not rare. By some counts, a black man is killed by police officers nearly every day. Race plays heavily into this risk: a black, male teenager is 21 times more likely to be shot dead by a police officer than a white one. Of all the varied proposals for reform, perhaps the most popular among politicians is to outfit all police officers with body cameras. President Obama recently requested over $250 million from Congress to fund body cameras and police training. Proponents of this