Sure, it matters. What can I do about it? I don't know anything.
4 seconds sound clip from the The Big Heat (1953) movie soundboard.
You can hear this line at 00:47:02.823 in the Blu-ray version of the movie.
Quote context
[...]
- Did he have a set spot to work? You know, a place where he kept his tools?
- All the tools are mine. There's nothing here for you, mister. Nothing at all.
- Do you mind if I walk around the yard? Talk to your men?
- I have to mind. When it comes to my bread and butter, I stay careful.
- It doesn't matter to you that Slim might have been mixed up in a murder, huh?
- Sure, it matters. What can I do about it? I don't know anything.
- You can't insult me, mister. I said I don't know anything, and that's how it stands.
- You wouldn't stick out your big, fat neck for anybody, would you?
- That's the truth. But it's my big, fat neck.
[...]