Revealing mistake: As Bunk is ordering ballistics to rush comparisons, the dead bodyguard is breathing during the scene. (00:01:55)
Revealing mistake: At the start, while looking over the corpse from a ground level shot, the corpse is dressed differently from the overhead shot, and is very obviously breathing. (00:01:50)
Corner Boys - S4-E8
Revealing mistake: When Chris and Snoop are in a vacant lot getting rid of a body, the victim's eyelids move before the plastic is laid over him. (00:17:20)
Revealing mistake: The guy who is supposed to be dead moves his eyes while they're closed.
Revealing mistake: The dead guy on the car blinks right before the police officer passes with the caution ribbon. (00:03:20)
Chosen answer: As he's trying on his new hat, Valchek says, with a smile, "fits like a glove!"