Collision Course

Part one of the investigation into the 2014 disappearance of college student, Hannah Graham, whose case sparked one of the largest searches in Virginia history. Investigators discovered connections between Hannah’s case and earlier crimes involving other missing women. "48 Hours" ...  Show more

48 Hours correspondents Anne-Marie Green and Erin Moriarty discuss the case of Todd Mullis, who was convicted of killing his wife, Amy Mullis, with a corn rake. They share Erin’s exclusive interview with their son, Trysten, who says his father is innocent and is fighting to overt ...  Show more

A healthy, young mother mysteriously dies after a minor traffic accident triggering an investigation to find out what caused her death.To learn more about how HLN protects listener privacy, visit cnn.com/privacy Learn more about your ad choices. Visit podcastchoices.com/adchoices ...  Show more

In this Dateline classic, after a fatal car crash, investigators find a series of revealing text messages that lead them to believe it may not have been an accident. Keith Morrison reports. Originally aired on NBC on November 11, 2011.

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A highway patrolman was dispatched to what he thought would be a routine traffic accident... until he looked in the car. While he had no formal training in forensic science, he had seen hundreds of accidents - but never as much blood as this. He was shocked by the coroner's rulin ...  Show more