Born to Kill (1947)7.2 /10

Storyline:  In Reno, a man murders a couple out of jealousy, and a newly divorced woman discovers the bodies but keeps silent. The two meet unknowingly on a train to San Francisco and begin a relationship that persists even after he marries her half-sister for advantage. When she learns he was the killer, their connection endures, though she may not grasp the danger of his past crimes.