Yeah, well, that's what I'd like to know, myself.

4 seconds sound clip from the The Front Page (1974) movie soundboard.

You can hear this line at 00:42:30 in the Blu-ray version of the movie.

Quote context

[...]

- We've searched the roof, nothing. So, we figured he must've slid down the rain pipe to the street.

- Still not straight on what happened in your office.

- I told you Dr. Eggelhofer was asking him some questions, very polite. All of a sudden, Williams started firing.

- One bullet hit the doctor in the groin, the second one went wild, and the third shot just grazed my ear. One more inch and... Oh, boy.

- What we want to know is, where did Williams get the gun?

- Yeah, well, that's what I'd like to know, myself.

- Was it smuggled into his cell?

- Maybe under the roast beef and Brussels sprouts?

- Are you sure that Chaplain's a Methodist, not a Communist?

- Is this the work of outside agitators?

- Boys, boys, I assure you I'll follow up every single lead.

[...]