It was in the St. Louis suburb of Ferguson where a white officer shot unarmed black teenager Michael Brown three years ago, setting off months of protests, some of which were violent.

for the past two years. There is this perception that a black man is automatically feared,” Tate said.

It was in the St. Louis suburb of Ferguson where a white officer shot unarmed black teenager Michael Brown three years ago, setting off months of protests, some of which were violent. The officer, who later left the force, wasn’t charged, which further strained relations between the area’s black community and the police.

But there have been several notable instances over the years in which an officer mistakenly shot a colleague.

In 2009, 25-year-old New