There are many instances where the police departments have gone overboard against unarmed citizens.
One incident happened in NY that I can recall. The cops were chasing a woman in an unmarked car. She did not know they were cops. The word went out over the radio that she was some armed lunatic and several cars joined in the chase. She rammed one car (that cut her off) When she staggered out of the car they unloaded on her. Killed instantly.
The original infraction was a busted tailight of something like that.
This happens quite frequently. Yes, Dorner was armed and a menace to officers but what about all the others they have executed?
Sorry, but what happened to Dorner was justifiable. I will get after the cops when they act stupid and/or abuse their power, such as with the LAPD incidents with innocent motorists in this matter. But I simply don't see this as a slippery slope incident. It was lethal force applied after lethal force had been used against them.
How about trying to keep things in perspective. How many incidents are police officers involved in daily across the USA? Now compare that to your claim of "many instances" police departments have gone overboard against unarmed citizens. . What percentage are we looking at? 1%, 5%, ?????????