You don't have to be within "arms range" of a police officer for them to shoot you if you have a knife. It's generally accepted that someone with a knife is a d

You don't have to be within "arms range" of a police officer for them to shoot you if you have a knife. It's generally accepted that someone with a knife is a deadly threat at about 20 feet or so away, as it takes a little over a second for them to cross that distance. In that video, the man who was shot clearly drew a large knife and turned towards the officers before they started firing.