So from now on, you better be looking behind you when you walk. Because one day you're gonna get a bullet in your back.
7 seconds sound clip from the Back to the Future Part III movie soundboard.
You can hear this line at 00:34:52.266 in the DVD version of the movie.
Quote context
[...]
- Look, if your horse threw a shoe, bring him back, and I'll reshoe him.
- Well, that's your problem, Tannen.
- Doc!
- Marty, I gave you explicit instructions not to come here, but to go directly back to 1985.
- I know, Doc, but I had to come.
- But it's good to see you, Marty.
[...]