In 2010, then-LAPD Chief William Bratton asked civil rights attorney Connie Rice to investigate the biggest police corruption scandal in Los Angeles history, and to train 50 LAPD officers in what she calls "public trust policing."

The high profile deaths of Michael Brown and Eric Garner have raised all sorts of questions about racial profiling and the use of force by law enforcement. For writer Emily Bazelon, the debate has also raised an ethical question: When do you call the cops on an African American man?