On Wednesday, Hamilton County prosecutor Joe Deters announced murder and manslaughter charges against University of Cincinnati police Officer Ray Tensing for the traffic stop shooting death of motorist Samuel DuBose. During the press conference, Deters said that "being police officers shouldn't be the role of this university." John Minchillo/AP hide caption

itoggle caption John Minchillo/AP

A cell at New York's Rikers Island jail. About 1,000 people die in American jails every year, and about a third of those are suicides. Seth Wenig/AP hide caption

itoggle caption Seth Wenig/AP

Inmates at California's Chino State Prison exercise in the prison yard in 2010. A proposition that was passed in the state last year reclassified certain crimes, releasing thousands of inmates earlier than had been anticipated. Kevork Djansezian/Getty Images hide caption

itoggle caption Kevork Djansezian/Getty Images

Metropolitan Division officers finish another "rollback" operation. They searched the apartment of a paroled armed robber and gang member. These rollbacks are a cornerstone of the Metro Division's strategy of tracking people who may re-offend, and suppressing crime before it happens. Martin Kaste/NPR hide caption

itoggle caption Martin Kaste/NPR

Taser International is now selling police departments the technology to store videos from body cameras. Patrick T. Fallon/Bloomberg via Getty Images hide caption

itoggle caption Patrick T. Fallon/Bloomberg via Getty Images

License plate scanners have helped police locate stolen vehicles and have even assisted in murder investigations. But with their ability to track a person's every move, skeptics worry about privacy. Pablo Martinez Monsivais/AP hide caption

itoggle caption Pablo Martinez Monsivais/AP