Accidental my ass.

chicagobreakingnews.com

While responding, the officer drew his gun and accidentally discharged the weapon into the ground," said UIC spokesman Mark Rosati.

Accidental discharge my ass. The officer violated rule #3. That's negligence. He had the muzzle pointed at the ground. That was the accident. He's damn lucky he didn't kill someone.

H/T to Thirdpower