This is Janzek they got away. Turn the main siren on.
3 seconds sound clip from the Invasion of the Body Snatchers (1956) movie soundboard.
You can hear this line at 01:06:43.341 in the Blu-ray version of the movie.
Quote context
[...]
- Well, Sam, we're finally with you.
- They were supposed to let me know. The chief said he'd phone the station then I'd get the call.
- He phoned, but the line was busy. He's calling again now.
- This is Janzek they got away. Turn the main siren on.
- Miles, I can't. I can't, Miles, I can't. I can't go on.
- Here's her sweater. They must be in the tunnel.
[...]