We've gone over the footage three times. No sign of Brandon's SUV. Maybe she took the owl or grabbed a taxi. >> But a car would be a safer bet if you know where to park and where to walk and what to drive. Grab Baker's file. So if she cleaned out his apartment, maybe she took his car, too. Oh, >> that's a good idea. Gray Honda Accord 2014. There it is. It's two blocks from Kelton's house. Gray Honda Accord. >> Plates are a match. >> We have evidence, Kate. >> That's you and your friend's car two blocks from the crime scene 5 minutes after the murder. This is monsters. >> We also know you use Baker's gun. 6 hour P210. >> We both know this city's better without that two-faced son of a >> There's no doubt about that. >> He was going to ruin Chicago. I did what I had to do. What happens now? He's leaving and he's alone. He saw the photo of Baker's car. He knows that Brennan was in it and that she had control of a murder weapon. Why isn't he arresting her? >> What do you think he's up to? >> Maybe he's helping her get rid of evidence. Get out of the country. Look, >> I don't know if I told you to stand down and that he's going to handle it. >> This is ridiculous. I'm going in there. You want to cover the front? I'm going to go around back. >> Yeah. >> Back door is open. I'm going in. >> Copy. [Music] [Music] >> Man, put the gun down. >> Get out. >> King, stop. Stop. Stop. Please put it down. Please. Please put it down. Kate. Kate. Stop. Stop. Stop. Stop. Don't do this. Don't do this. Just put it down. It's over. Just come in with me. You tell your side of the story. >> Hey. Heat. Heat. [Music] [Music] Heat. [Music] [Music] Heat. [Music]