The face has recently been disfigured by acid.
3 seconds sound clip from the Phantom of the Opera (1943) movie soundboard.
You can hear this line at 00:30:24.474 in the Blu-ray version of the movie.
Quote context
[...]
- Move on and don't come back into this district tonight.
- Lecours, how could we ever have been induced to accept the management of this place?
- It's not an opera house. It's a madhouse.
- Now this... Wanted for murder. Erique Claudin, former violinist at Paris Opera House.
- Age, 48 years, height 5 feet 8 inches.
- The face has recently been disfigured by acid.
- After 20 years with the Paris Opera, a man is capable of anything, my dear Amiot.
- Monsieur, there is a thief in the Opera House.
- Thief?
- A costume has been stolen. And two masks.
- That's impossible. That fool of a wardrobe woman must have lost them.
- She should have been dismissed long ago.
[...]