Rosa: So I'm positive the murder happened inside this apartment, but CSI could find no traces of blood. I'd like to ask the FBI to bring in a team of lab techs.
Captain Holt: This would require Commissioner Kelly signing off. Before I make that ask, is there anything else we can do?
Amy: Um, I'm pretty sure there is. Are you thinking what I'm thinking?
Captain Holt: I am now.
Both: We need Yee!