I found the coffins broken, empty, all of them.
3 seconds sound clip from the Isle of the Dead (1945) movie soundboard.
You can hear this line at 00:09:45.919 in the Blu-ray version of the movie.
Quote context
[...]
- It may be an ill omen to sing in a cemetery, but there's no law against it.
- There is a law against despoiling graves. Perhaps the singer can tell us who broke that law.
- General Pherides. I am honored, sir. Please, won't you come in?
- I came here to visit the last resting place of my wife.
- I found the coffins broken, empty, all of them.
- I'm extremely sorry, General. It happened a long time ago.
- Has anyone been punished for this crime?
- You see, I am an archaeologist. And this island was the great find of my life.
[...]