Oh, he's already weeded the rats out of the department.
4 seconds sound clip from the Bullets or Ballots (1939) classic radio play.
You can hear this line at 00:24:21 in the radio play.
Quote context
[...]
- Thanks. You want me to put your name or his on the ticket?
- Heh! You'll write a ticket for Al Kruger and he'll tire that neg of yours upside down!
- What goes on? What's the idea of the ticket?
- What's it to you, Mr. Blake?
- What's the matter, afraid McLaren will fire if you don't get rid of all those parking tags?
- Oh, he's already weeded the rats out of the department.
- You wouldn't like to climb down off that horse of yours for a minute, would you?
- Now wait a minute! Take it easy, Johnny!
- I'm off. What do you want to make of it?
- This!
[...]