Kringle has been declared a menace to society by competent doctors, and it's my duty to protect the State of New York and see that he's put away.
8 seconds sound clip from the Miracle on 34th Street (1947) movie soundboard.
You can hear this line at 01:13:48 in the Blu-ray version of the movie.
Quote context
[...]
- And while we're on the subject, I agree with the reporters.
- Mr. Kringle seems to be a nice old man, and I don't see why you have to keep persecuting him.
- Firstly, I am not persecuting him. I am prosecuting him.
- It's up to the State of New York, and I'm just their duly appointed legal representative.
- No matter what they may say about me, I've got to do it.
- Sometimes I wish I'd married a butcher or plumber.
- Well, my dear, if I lose this case, it's very possible that you'll get your wish.
[...]