The train people and some of the passengers told how he went through to the observation car.
6 seconds sound clip from the Double Indemnity movie soundboard.
You can hear this line at 01:01:10 in the DVD version of the movie.
Quote context
[...]
- Come along. The big boss wants to see us.
- Must be.
- Well, the guy is dead. We had him insured and it's gonna cost us dough. That's always wrong.
- Had it this morning. His wife and daughter made the identification.
- The train people and some of the passengers told how he went through to the observation car.
- It was all over in 45 minutes.
- All right. Thank you very much, gentlemen.
[...]