- You won't hurt me.
- Oh, yeah? Why not?
- Because you're a policeman. There are rules for policemen.

10 seconds sound clip from the Die Hard (1988) movie soundboard.

You can hear this line at 00:36:53 in the Blu-ray version of the movie.

Quote context

[...]

- No one is coming to help you.

- You might as well come out and join the others.

- I promise I won't hurt you.

(Power Saw Whirring)

- Drop it, dickhead. It's the police.

- You won't hurt me.

- Oh, yeah? Why not?

- Because you're a policeman. There are rules for policemen.

- Yeah. That's what my captain keeps tellin' me.

- Drop that, motherfucker! I'll fuckin' kill you!

- Come on! Come on! I'll fuckin' rip your head off!

(Computer Beeping)

[...]