No, you don't. Somebody call the police.
4 seconds sound clip from the It's a Wonderful Life (1946) movie soundboard.
You can hear this line at 02:00:45 in the Blu-ray version of the movie.
Quote context
[...]
- Help! It's a wild man! The wild man is chasing me. Somebody stop him!
- No, you don't. Somebody call the police.
- Somebody hit him on the head with a bottle.
[...]