Captain Holt: If I have a fake and you have a fake, who took the real bracelet?
Kevin: I did.
Captain Holt: Kevin?
Kevin: I swapped out Mr. Hootsworth for a fake while you were arguing with Peralta.
[flashback:] How many cummerbunds are you holding right now? Zero! It's one bund to none, son!
[present:]
Captain Holt: You betrayed me? But why?
Kevin: I can't have more of these trophies in our home. The cummerbund was already in the living room. What's next, a rusty medical bracelet suspended above our bed?
Captain Holt: Yes!