Tamir Rice

Prosecutors in Ohio on Saturday released a frame-by-frame analysis of the surveillance camera footage first made public a year ago that shows a white Cleveland police officer fatally shooting a black 12-year-old boy who had a pellet gun.

What happened to 12 year-old Tamir Rice—police who shot and killed him because they mistook his toy pistol for a real one—is not a unique story.

Hundreds of thousands of people in several countries have protested some extremely controversial shooting deaths caused by U.S. Police officers. Here are some very controversial police caused shooting deaths that have inspired they massive protests.