The Departed2006

Costello:
How the f*** did this happen?

Sullivan:
You're an FBI informant? Are you f***ing kidding me?

Costello:
[coughs blood] Grow up! [laughing] Of course I talked to the FBI.

Sullivan:
Do they know who I am?

Costello:
I-I never gave up anybody who wasn't going down anyway. Nobody knows nothin'.

Sullivan:
Frank...Frank...Frank. Do they know about me?

Costello:
I know about you, Colin. You know I'd never give you up. You're like a--

Sullivan:
What, like a son? To you? Is that what this is about? All that murderin' and f***in', and no sons?

[Costello shoots at Sullivan, Sullivan shoots Costello in the chest. Costello falls down, shoots at Sullivan one last time before being fatally shot]