You'll never get away with it. Never.
2 seconds sound clip from the The Strange Love of Martha Ivers movie soundboard.
You can hear this line at 00:14:30.385 in the Blu-ray version of the movie.
Quote context
[...]
- We saw a man, a big man. He was leaving. Out of that front door, he left. See, it's open.
- She was lying there. And this... This was lying there, too. I picked it up.
- Isn't that true, Walter? Isn't it?
- Put it down. Put it exactly where you found it.
- Both of you better go upstairs. I'll phone the police.
- You'll never get away with it. Never.
- But Sam. What about Sam? He was in the house. He saw it.
- Yes, he will. He's scared. That's why he ran away after it happened.
- Sam's scared. He ran away. I didn't. I stayed.
- No, he won't. Not Sam. Not Sam!
[...]