- Have you been checking on me?
- Yes.

3 seconds sound clip from the Fiend Without a Face (1958) movie soundboard.

You can hear this line at 00:48:37.581 in the Blu-ray version of the movie.

Quote context

[...]

- Oh, Barbara...

- It's very late. I hope you don't mind, sir.

- Oh, on the contrary, I'm glad to see you. Sit down.

- We missed you at the town council meeting.

- I saw Gibbons afterwards. His mind was gone completely mad. It was dreadful.

- I was hoping maybe you could help us.

- Me? How can I help you?

- You're an atomic expert.

- Who told you that?

- Our files in Washington.

- Have you been checking on me?

- Yes.

- Here, would you care for a cigarette, Professor?

- No, thanks. I'm attached to my pipe.

- Professor, I read one of your books on the materialization of thought. You denied that it was possible, but the thought was intriguing. Yes, if it could be done, why, man could create power by thought.

- He could will a door to open. He could perform useful work without moving from this chair. Practically anything.

- I said it was impossible, didn't I?

- Is it? Perhaps with atomic power it could be done.

[...]