Canby's front line is right on their heels.
4 seconds sound clip from the The Good, the Bad and the Ugly (1966) movie soundboard.
You can hear this line at 00:53:27 in the Blu-ray version of the movie.
Quote context
[...]
- Well, you see, he's a Yankee colonel who decided to tear us to pieces.
- The only thing we care about is saving our own hides. And you ask me if I know someone.
- I just don't know what you drifters could be thinking.
- Carson has a patch over one eye. He's with the Third.
- If he's with the Third, they've already left. For Glorieta.
- Canby's front line is right on their heels.
- And the desert lies ahead of them.
- I really doubt that any of them are still alive.
- And what if they were still alive?
- Worse.
- Well, then, you must not have heard anything about Batterville.
[...]