- Where has the brain and spinal cord gone?
- I'm a doctor, Colonel, not a detective.

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

You can hear this line at 00:19:25.834 in the Blu-ray version of the movie.

Quote context

[...]

- I made a complete autopsy on both cases. I called Dr. Bradley in to check my findings, and our opinions concur. It's fantastic.

- On examination of the skull of Mr. Adams, I noticed two small holes on the base of the occipital region here. They penetrated to the medulla oblongata, where the spinal cord meets the brain.

- I opened the skull to investigate and found this.

- The brain, it's gone!

- Yes, sucked out like an egg through those two holes.

- That's not all. The entire spinal cord is missing.

- But it... it's incredible.

- It's as if some mental vampire were at work.

- Where has the brain and spinal cord gone?

- I'm a doctor, Colonel, not a detective.

- There's nothing like this in the books.

- Major Cummings had the best explanation so far: mental vampire.

- That's rubbish!

- Possibly some animal...

[...]