On Friday, the San Francisco District Attorney's office announced that the four police officers—Nathan Chew, Richard Schiff, Roger Morse and Jason Sawyer—who killed 28-year-old Alex Nieto last March in Bernal Heights Park will not face charges. Although they fired 59 shots at Nieto, they did so "to protect themselves…

Peter Liang is the rookie NYPD officer who shot and killed Akai Gurley while on an unapproved stairwell patrol in the Louis H. Pink housing project late last year, adding Gurley to the long list of unarmed black men whose lives were taken away from them because they scared a police officer, and whose deaths are…