[Colin confronts Billy on the rooftop]
Billy Costigan: FREEZE!
[points gun at Colin]
Colin Sullivan: Hey! Hey! Hey!
Billy Costigan: Put your fucking hands up!
Colin Sullivan: Put the fucking gun down! Put the gun... put the gun down, alright? I came here to talk some sense into you!
Billy Costigan: Hands!
[Slaps his arm]
Colin Sullivan: Alright! Just act professional. I can get you your money!
Billy Costigan: What'd you say?
Colin Sullivan: I can get you your MONEY!
[Billy pistol whips Colin, knocking him to the ground,]
Billy Costigan: You didn't come here to talk, alright. You came here to get arrested!