Doctor: Chest compression led to CA homeless death - Article Photos 8/10

This still photo taken from a security camera released on Monday May 7, 2012 by the Orange County District Attorney shows an altercation between Fullerton police officers and homeless Kelly Thomas at the Fullerton bus depot on July 5,2011. The grainy black and white video of Thomas' violent encounter with police outside a bus depot is the centerpiece of the prosecutions' case against two officers accused of escalating a standard police encounter with a homeless man into a fatal beating. (AP Photo/Orange County District Attorney)