Watch the official “Cook Confronts Grisly Scene” clip from Chicago P.D. Season 12, created by Michael Brandt, Derek Haas and Matt Olmstead.

Chicago P.D. Cast:

Jason Beghe, Marina Squerciati, Patrick John Flueger, LaRoyce Hawkins, Amy Morton, Benjamin Levy Aguilar, Tracy Spiridakos, Sara Bues and Toya Turner

Watch Chicago P.D. Season 12 on NBC and stream on Peacock!