- Whose murder, Lieutenant?
- Mine, if necessary.

3 seconds sound clip from the The Big Combo (1955) movie soundboard.

You can hear this line at 00:54:10.995 in the Blu-ray version of the movie.

Quote context

[...]

- Sam, get the DA's office and get a warrant for Brown's arrest.

- On what charge?

- Ah... arson!

- I got a court order, issued this morning. It says that all the deeds, papers and properties of this shop belong to me.

- Dreyer had twenty percent. The Bolemac Corporation had the rest and I'm the Bolemac Corporation. Nobody else.

- Not even Grazzi?

- I bought him out.

- Why should the Bolemac Corporation be interested burning that ship's log? Why?

- Liquidation of assets. Which is hardly a crime.

- I'll wait until I can put you on trial for murder.

- Whose murder, Lieutenant?

- Mine, if necessary.

- Don't push too hard.

- It's my sworn duty to push too hard.

- Diamond, the only trouble with you is you'd like to be me. You'd like to have my organization, my influence, my fix. You can't, it's impossible.

- You think it's money, it's not. It's personality. You haven't got it, Lieutenant, you're a cop. Slow, steady, intelligent, with a bad temper... and a gun under your arm. Or the big yearn for a girl you can't have.

- First is first and second is nobody. (2)

[...]