Push for Greater Transparency on Police Killings Gathers Pace

Senate Clears Law-Enforcement Death-Reporting Legislation

A Plan For Tracking Police Killings

Graphic: Justifiable Homicides by U.S. Law Enforcement

Many Police Killings Uncounted in U.S. Stats

More than 550 police killings between 2007 and 2012 were missing from the FBI's records.