Now, supposing you tell me what happened.
3 seconds sound clip from the A Shot in the Dark (1964) movie soundboard.
You can hear this line at 00:16:00.380 in the Blu-ray version of the movie.
Quote context
[...]
- I believe everything. And I believe nothing. I suspect everyone. And I suspect no one.
- I gather the facts, examine the clues, and before you know it, the case is solved.
- Oh, yes. There is much here that does not meet the eye. That is quite obvious.
- But do not try to leave. Everyone in this household is under suspicion.
- Now, supposing you tell me what happened.
- He was having difficulty with the buttons.
- Buttons?
- Well, you know that is very strange because there are no buttons on this dress.
- Well, that is because he was having difficulty with them. So he just tore the dress off.
- Oh, no.
- I would have helped him but... but he couldn't wait.
- The buttons are probably all over the room.
[...]