NYPD Commissioner William Bratton announced on Tuesday that he will retire after his nearly five-decade policing career. Bratton served as Los Angeles Police Chief from 2002 until 2009. In 2002 the LAPD was plagued by scandals and racial tension, and under federal oversight. How did Bratton change LA’s police force during his seven-year tenure? In the midst of a national conversation about race and policing, we look at his impact on law enforcement in the city.