http://kxan.com/2015/07/17/georgetow...leagues-rifle/
http://kxan.com/2015/07/17/firearms-...-and-ignorant/
A Georgetown TX Police Officer has been "indefinitely suspended" aka fired for intentionally changing the sights on another officers duty rifle to "teach him a lesson" .
I would describe his actions as reckless rather than merely careless. Good riddance.