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)
Chosen answer: As he's trying on his new hat, Valchek says, with a smile, "fits like a glove!"