Let's say you shot a disabled guy in a wheelchair for threatening you and wielding a pen...

Now try explaining that to the cops. Hell, it works when the cops do it and then explain it as a "necessary use of force". The police have become more of a psychopathic threat to society than protectors thereof. 

Rotten to the core, rotten all the way to the core... 

Houston officer kills double amputee in wheelchair

HOUSTON (AP) — A Houston police officer shot and killed a one-armed, one-legged man in a wheelchair Saturday inside a group home after police say the double amputee threatened the officer and aggressively waved a metal object that turned out to be a pen.

Police spokeswoman Jodi Silva said the man cornered the officer in his wheelchair and was making threats while trying to stab the officer with the pen. At the time, the officer did not know what the metal object was that the man was waving, Silva said.

She said the man came "within inches to a foot" of the officer and did not follow instructions to calm down and remain still.

"Fearing for his partner's safety and his own safety, he discharged his weapon," Silva told The Associated Press.