- What's up?
- He's crazy.
- Who?
- Diamond! He's crazy!

4 seconds sound clip from the The Big Combo (1955) movie soundboard.

You can hear this line at 00:19:24.816 in the Blu-ray version of the movie.

Quote context

[...]

- Get on your feet!

- There's a man downstairs with a writ of habeas corpus.

- Already?

- It's McClure, what'll I tell him?

- You know what habeas corpus means, Sam?

- I know what it does.

- It's Latin. It means, You may have the body. Mr. Brown may have it.

- We got to find out who Alicia is.

- I want you to pick up every hood who works for Brown. And pick up Brown himself.

- What's up?

- He's crazy.

- Who?

- Diamond! He's crazy!

- What happened, McClure? When they picked us up, I mentioned your name. You know what they said?

- Quit shaking. What'd he ask you?

- A girl's name! That's all he could ask me.

- He just kept asking me this girl's name. Like he was nuts!

- He's crazy.

- What girl?

- They knocked it outta my head. I don't know... Alice-something or another... Alicia! That's what it was. Alicia.

[...]