Miki Meek reports on how bad things got for black residents of Miami Gardens, Florida – and why they got so bad – by telling the story of two men, a convenience store owner and one of his employees.

Brian continues his story. Chief Flynn implements Milwaukee's version of stop and frisk, but some officers start illegally searching residents.

FBI Director James Comey gave a speech this week calling for law enforcement to redouble itsefforts to serve the black community, and calling for a conversation about race in policing. Producer Robyn Semien has noticed that local big city police chiefs do not think race is a factorin the newsmaking incidents where white officers kill unarmed black men.

In 2008, the Milwaukee Police Department, which has a long history of tension with black residents, got a new chief named Ed Flynn. One of his big goals when he came to the city was to try and improve the relationship between cops and black Milwaukeeans.

This American Life producer Robyn Semien watched the Eric Garner video with a friend who's aNew York cop. Robyn's black.