He's sitting back with his mouth watering, waiting for you to sue. He wants you to sue, but you're not going to.
6 seconds sound clip from the Double Indemnity movie soundboard.
You can hear this line at 01:24:34 in the DVD version of the movie.
Quote context
[...]
- Keyes is rejecting your claim.
- He's figured out how it was worked.
- He knows it was somebody else on the train and he's dug up a witness he thinks can prove it.
- Prove it how? If he rejects that claim, I have to sue.
[...]