I had hoped those reports that he was up to his old tricks again were pure imagination, but apparently they're based on fact.
7 seconds sound clip from the The Bat (1959) movie soundboard.
You can hear this line at 00:42:26.622 in the Blu-ray version of the movie.
Quote context
[...]
- It's as if his throat had been torn by some creature with fans, or claws, or...
- That's his sign. We found it on the others he killed.
- He's come back. Back to the scene of his kills.
- Yes, that's who I mean. That's who did this, the Bat.
- We all did. That is Dale, and Judie, and I, Lizzie was in the dining room.
- This is my new housekeeper, Jane Patterson. You know, she worked for John Fleming.
[...]