I'll bite. Who?
4 seconds sound clip from the After the Thin Man (1936) movie soundboard.
You can hear this line at 01:38:51 in the DVD version of the movie.
Quote context
[...]
- He didn't like the looks of things, so he changed the lock on the door.
- When Anderson came in, he found that he was locked out.
- Then he heard Pedro telephone me downstairs...
- So what?
- Polly, Phil had a key to your apartment, hadn't he?
- Yeah.
- Yeah.
- Nobody.
- Say, what do you think I do? Go around stuffing them under doors?
[...]