- Are there any suspects?
- Yes. Whom do the police suspect?
- There is no one.

3 seconds sound clip from the Phantom of the Opera (1943) movie soundboard.

You can hear this line at 01:01:03.669 in the Blu-ray version of the movie.

Quote context

[...]

- Madame Biancarolli and her maid have been murdered.

- Murdered?

- Are you hurt, monsieur?

- What happened?

- What were you doing?

- I was chasing him.

- Chasing whom?

- The murderer, of course.

- Do you mean to imply there was someone else up there?

- Why, certainly. Everyone must've seen...

- No, monsieur. I was chasing you.

- But how long will the Opera remain closed, Monsieur Inspector?

- Yes, how long?

- I do not know.

- Are there any suspects?

- Yes. Whom do the police suspect?

- There is no one.

- What is your theory on the motive, monsieur?

- I am not a theorist.

- All I can tell you is that as long as the Opera House remains closed, everyone in all Paris, in all France, will be thinking of nothing but the murder and hounding us to make an arrest.

- Inspector Daubert.

- I came directly. I got your message. What has happened now?

- Listen to this, monsieur. Christine DuBois must replace Biancarolli, who chose to ignore my warning.

[...]