No, the last I saw of Dr. Snell and his assistant, they were out at the crater.
4 seconds sound clip from the It Came from Outer Space movie soundboard.
You can hear this line at 00:50:32.580 in the Blu-ray version of the movie.
Quote context
[...]
- It might. Suppose they wanted electrical equipment. That truck was loaded with it.
- As a matter of fact, things have been happening around here this evening.
- The hardware store was broken into. And they're missing a coil of copper wire and some metal parts.
- Nothing else taken but electrical equipment.
- Yeah? Yeah, this is Sheriff Warren.
- No, the last I saw of Dr. Snell and his assistant, they were out at the crater.
- You let me know if you hear anything, and if I hear anything, I'll give you a ring.
- What about Dr. Snell? Would they have any use for him?
- They might. He's an astronomer. Why?
- That was his secretary calling. They haven't seen him or his assistant.
- Last I saw of them, they were out on the desert, working alone.
- Well, they're not around here and it's a cinch they just didn't leave without their car.
[...]