Freeze! Whoa! Put the fucking gun down! Put your fucking hands up! Alright, alright. I can...

Billy Costigan: [coming from behind the wall to surprise Sullivan] Freeze! Colin Sullivan: Whoa! Put the fucking gun down! Billy Costigan: Put your fucking hands up! Colin Sullivan: Alright, alright. I can get you your money! Billy Costigan: What did you say? Colin Sullivan: I said I can get you your... Billy Costigan: [punches Sullivan across the face] You didn't come here to talk, you came here to get arrested. [Slaps cuffs on him] Colin Sullivan: You have fucking tapes of what? Costello was my informant. I was a rat? Fuck you, prove it. Billy Costigan: [standing Sullivan up] Get up! Colin Sullivan: What is this? A citzens arrest? Blow me. Only one of us is a cop here Bill. Did you hear me Bill? No one knows who you fucking are! Billy Costigan: Will you shut the fuck up! Colin Sullivan: I'm a sargeant in the Massachusetts State Police, who the fuck are you? I erased you! Billy Costigan: [slams Sullivan against a wall] You erased me, huh? Colin Sullivan: Yea... shoot a cop, Einstein, watch what happens. Billy Costigan: What would happen is this bullet would go right through your fucking head! Colin Sullivan: Watch what happens! Billy Costigan: What? So you can get the parade? The bagpipes and bullshit? Fuck you! Fuck you! I'm fucking arresting you! Colin Sullivan: That's the stupidest thing you could do. Billy Costigan: [while hitting him] Shut the fuck up! [Sullivan falls to the ground] Billy Costigan: I could give a fuck if the charges don't stick... I'm still fucking arresting you. Colin Sullivan: [dazed] Shit.