Because I'm the sheriff, asshole.
3 seconds sound clip from the Gremlins movie soundboard.
You can hear this line at 01:07:30 in the Blu-ray version of the movie.
Quote context
[...]
- It's the creatures! The creatures are making it look like an accident!
- Sheriff, will you listen to me?
- Because I'm the sheriff, asshole.
- Kopeck, you stop that, you bad kitty! Kopeck's a bad kitty.
- Ruble's a good little kitty. We'll find you something to eat. She's a good kitty.
- Here we go. Here we go. Come on.
- All right, you stop that! Stop it!
- Mean kitty, you start eating before everybody gets here.
[...]