I don't know anything about it.
3 seconds sound clip from the The Roaring Twenties (1939) movie soundboard.
You can hear this line at 00:22:08 in the DVD version of the movie.
Quote context
[...]
- Look, honey, I don't know what's in the package and I don't care. Twelve bucks, please.
- Just a minute. Just a minute.
- You bootleggers are gonna learn the law is being enforced.
- You're under arrest for the violation of the Volstead Act.
- I don't know anything about it.
- Further more, you were delivering it for a friend.
- You can tell all that to the judge, buddy.
[...]