The verdict of this court is murder by person or persons unknown.
5 seconds sound clip from the The Mummy (1959) movie soundboard.
You can hear this line at 00:30:06.600 in the Blu-ray version of the movie.
Quote context
[...]
- Help! Help! Help! Help! Help!
- The very nature of this deed points to the fact that it was committed by some homicidal maniac.
- The verdict of this court is murder by 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.
[...]