You'll probably find the policy among his personal effects.
4 seconds sound clip from the Double Indemnity movie soundboard.
You can hear this line at 01:04:28 in the DVD version of the movie.
Quote context
[...]
- You know why we asked you to come, don't you?
- No. All I know is that your secretary made it sound very urgent.
- Your husband had an accident policy with this company. Evidently you don't know that.
- No. I remember some talk at the house, but he didn't seem to want it.
- Your husband took the policy out a few days later.
- You'll probably find the policy among his personal effects.
- His safe-deposit box hasn't been opened yet. It seems a tax examiner has to be present.
- I'm sorry. Would you like a glass of water?
[...]