Precisely what criminologist David Klinger describes in his book Into The Kill Zone:Many will argue that morally, KILLING someone over a wallet, or microwave is unconscionable
"Many officers choose standards for pulling the trigger that are more restrictive than those set forth in law and administrative directives."
From "Into The Kill Zone"--A cops eye view of deadly force. All about cops who shot and those that didn't, cops who got shot, training to shoot, and the personal aftermath of it all.