Jake: Look, I need you to focus. The kidnapper texted his demands.
Captain Holt: How much does the bastard want for my little doggy?
Jake: Oh, that's just it. He doesn't want money. He requested all the files we worked from May 2004. It's a lead. He's gotta be connected to one of those cases somehow.
Captain Holt: Interesting. You know what else is interesting?
Jake: Hmm?
Captain Holt: Grenades.