Jake: All right, then I guess we just have to prove it.
Captain Holt: Absolutely not. You can't investigate your accuser. It's retaliation.
Jake: Which is why the investigation will focus only on O'Sullivan and be led by someone from the outside. A friend, a confidant, a...
Captain Holt: Diaz.
Jake: Yes. Damn it, you kind of stepped on the dramatic entrance we had planned, and you threw off our...
Rosa: Me.
Jake: Timing. The point is Amy and Rosa will head up the investigation, and the entrance worked perfectly.