I didn't see the signal. Not till too late.
3 seconds sound clip from the Dead Reckoning (1947) movie soundboard.
You can hear this line at 00:57:48.146 in the Blu-ray version of the movie.
Quote context
[...]
- Well, suppose you drive around, show me the sights, and wind up out there after dark.
- You know, the letter wouldn't be at Crescent Beach.
- But, while I'm at the club, I want Martinelli at police headquarters with the cops sweating him.
- Well, nobody can, without opening the back of your car.
- Louis Ord's body's back there.
- How long you been driving, lady?
- I didn't see the signal. Not till too late.
- Let's see your driver's license.
- I just told her something that startled her.
- It must be here. I know it is.
- It better be, unless you want to come along to the station house.
- It isn't here. It just isn't here.
- She must have left it in some other bag.
- That's the standard answer, mister.
[...]