Briscoe and Curtis investigate a woman's claim that someone is stalking her. Initially they think she's being paranoid. But when she's attacked, they find the stalker. But because of her earlier rant, the defense moves to suppress the evidence. So Briscoe lies so that the evidence can be admitted. Curtis is then called by the defense and he's not willing to do the same. Written by
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Detective Lennie Briscoe
So all we have to do is find the invisible man, see if he has roof tar on his shoes.