Diallo, 22, was approached and shot by plainclothes police officers
in New York City who claimed to have mistaken him for a rape suspect.
Chamberlain, 68, was shot after police in White Plains, New York, broke down his door
. Chamberlain wore a medical alert button for a heart condition, and it had accidentally gone off.
Seeking help after a car crash
Jonathan Ferrell (2013)
Ferrell, 24, was seeking assistance after crashing his car in Charlotte, North Carolina
. He knocked on the door of a nearby house. The home owner called police. When they arrived, they said they saw Ferrell running toward them, and one of the officers shot him.
Standing outside of a store
Eric Garner (2014)
Playing with a fake gun
Tamir Rice (2014)
Tamir, 12, was playing with a pellet gun in a park in Cleveland, Ohio. Police who arrived on the scene shot the boy within two second of exiting their car
Holding a BB gun for sale
John Crawford III (2014)
Crawford, 22, was at a Walmart holding a pellet gun he picked up off a store shelf. A 911 call reported a man walking around with a rifle and "waving it." Crawford was on his cell phone while holding the pellet gun
as police responded and he was shot in seconds.
Philando Castile (2016)
Castile, 32, was pulled over for a busted tail light in Falcon Heights, Minnesota. As Castile tried to tell an officer he had a gun on his person
-- a gun he had a permit to carry -- he was shot and killed.
Selling DVDs outside a gas station
Alton Sterling (2016)