They're closing the pass. If you're thinking of running, it's a little late.
5 seconds sound clip from the Johnny Guitar (1954) movie soundboard.
You can hear this line at 00:58:19.380 in the Blu-ray version of the movie.
Quote context
[...]
- It's my money they got. I'm going after it.
- They got a lot of my money, too, Emma.
- The marshal's right, you'll only slow us up.
- I'm riding with you. And I'll be riding first.
- They're closing the pass. If you're thinking of running, it's a little late.
- I've got a hunch the posse will be dropping in on you before night.
- Same people who paid you a visit yesterday, only they won't be the same.
[...]