I'm afraid it isn't just a dead body.
3 seconds sound clip from the Invasion of the Body Snatchers (1956) movie soundboard.
You can hear this line at 00:22:46.672 in the Blu-ray version of the movie.
Quote context
[...]
- You don't think it's nonsense, do you?
- Jack's standing here in front of you.
- Of course I am... bleeding to death. Excuse me.
- You know what? I'm afraid you may live.
- Miles, don't you think we should we call the police, and have them take that dead body out of here?
- I'm afraid it isn't just a dead body.
- What?
- I wonder if there's any connection.
- There's something strange going on in Santa Mira.
- Dr. Kauffman calls it an epidemic of mass hysteria.
[...]