I wonder how this window got broken.
1 seconds sound clip from Superman (1948) - Blast In The Depths (Chapter 12).
You can hear this line at 00:10:57.491 in the Blu-ray version of the episode.
Quote context
[...]
- What were you doing out there?
- I just stepped out for a little fresh air.
- Well, did you find what you was looking for?
- We gotta get her out of here without being seen. Let's roll her up in this rug.
- This may prove that Lois was here, if it's hers.
- I wonder how this window got broken.
- Possibly in the struggle when Collier was shot, if there was a struggle.
- Maybe she's gone to the police station or the hospital or something.
- There is certainly nothing more we can do here.
- Wait a minute... This was scratched deliberately.
- A question mark and a cross.
- I don't know. But obviously, it was meant to convey a message to whoever might be here.
[...]