The cops shot Blue because they thought his hero sandwich was a gun.
6 seconds sound clip from the Casino (1995) movie soundboard.
You can hear this line at 02:24:04 in the Blu-ray version of the movie.
Quote context
[...]
- Hey, what do you guys want out of my life?
- Police! Stay in the fuckin' car!
- He never knew when to keep his fuckin' mouth shut.
- The cops shot Blue because they thought his hero sandwich was a gun.
- They could have been right, but who knows?
- What gun? He's got a fuckin' hero sandwich here.
[...]