Oh, so you choose to remain an ignorant idiot.  I didn’t expect anything different from you.

“Even if he did have a gun, it wasn’t out,” YES IT WAS. IT WAS IN HIS HAND.

He was an imminent threat to someone, because he was running with the gun in his hand. He would have probably tried to carjack someone or take a hostage next. Watch the goddamn video.

1:39 in this video is what precipitated the use of deadly force (among all the other stupid actions he took):