- Coroner said it was the work of a maniac.
- I can't believe that. There must be a motive somewhere.

6 seconds sound clip from the The Mummy (1959) movie soundboard.

You can hear this line at 00:30:19.708 in the Blu-ray version of the movie.

Quote context

[...]

- However, there is no doubt that the perpetrator of this crime came from outside the nursing home and left the premises immediately after the crime.

- I can only exhort the police to do everything in their power to apprehend this individual with the utmost dispatch.

- The verdict of this court is murder by person or persons unknown.

(Judge hitting gavel)

- Person or persons unknown.

- Coroner said it was the work of a maniac.

- I can't believe that. There must be a motive somewhere.

- We must go through his papers. Perhaps we'll find something there.

- He was in the nursing home for three years.

- And before that, 10 years in Egypt.

- Then, we'll have plenty to work on. Father kept a record of everything.

- I still don't know exactly what we're looking for.

- I don't really know myself. A letter, a note. Anything that may give us a lead.

[...]