That Black Book is a bunch of bullshit. They got two names from the whole country and one of 'em is still Al Capone.
8 seconds sound clip from the Casino (1995) movie soundboard.
You can hear this line at 00:54:46 in the Blu-ray version of the movie.
Quote context
[...]
- I soon had the best operation on the strip.
- You gotta watch yourself. There's a lot of heat on you already.
- Why? Somebody's complainin'?
- I'm hearing things from security.
- The sheriff's lookin' to put you in the Black Book.
- Bullshit or no bullshit, if they put you in that book, you're gonna be in trouble.
- You will not be able to walk into a casino, I'm telling you.
- What am I doing out here? I'm trying to make a living, that's all.
- I'm just tellin' you. Don't say I didn't warn you. All right.
- Mrs. Rothstein, straight ahead. Very nice. Thank you.
[...]