You're not locking her up.
2 seconds sound clip from the The Third Man (1949) movie soundboard.
You can hear this line at 00:29:29.967 in the Blu-ray version of the movie.
Quote context
[...]
- You won't learn anything from them. They're only love letters. There are not many of them.
- They'll be returned to you, Miss Schmidt, as soon as they've been examined.
- Harry never did anything. Only a small thing once, out of kindness.
- You will have to come with us, Miss Schmidt.
- Go home, Martins, like a sensible chap. You don't know what you're mixing in. Get the next plane.
- As soon as I get to the bottom of this, I'll get the next plane.
- Death's at the bottom of everything, Martins. Leave death to the professionals.
- Mind if I use that line in my next western?
[...]