Commissioner, did you follow my suggestion?

4 seconds sound clip from Batman (1966) - The Cat's Meow (S2E29) TV Series.

You can hear this line at 00:04:52 in the Blu-ray version of the movie.

Quote context

[...]

- It's really an ordinary umbrella with a mild electric shock device build into the handle.

- Hardly enough to cause a man to lose his speech.

- Well, he's not in any pain, but he can't say a word for the life of him.

- A serious detriment for an announcer.

- Poor man has been checked from toenails to tonsils, but all to no avail.

- I think we should concentrate on who did it rather than how it was done.

- Commissioner, did you follow my suggestion?

- Indeed, Batman, but the Joker, the Riddler and the Penguin are all three in jail. Wasn't any of them.

- May we take this with us?

- Of course, by all means.

- Perhaps one of the instruments in the Batcave may be able to shed some light on this baffling puzzle. It's our only clue. Let's go, Robin.

- I don't believe there ever have been or ever will be two such selfless people.

[...]