Dateline NBC “The Secret in Black Rock Canyon” April 27 2025 Recap & Preview

This Sunday, April 27, 2025, at 10:00 PM ET/9:00 PM CT, Dateline NBC presents “The Secret in Black Rock Canyon”, a chilling investigation into the tragic murder of 16-year-old Cassie Jo Stoddart. When Cassie Jo was found murdered in a remote canyon, police retraced her final hours and uncovered unsettling evidence, including a homemade horror film, that pointed directly to her killers.

Cassie Jo had been watching a movie at a friend’s house when she was brutally attacked. The investigation took a shocking turn when it was revealed that the killers had been inspired by their own creation—a homemade horror film. As police pieced together the timeline and the evidence, the shocking truth about the identity of her killers began to emerge, leading to a case that stunned both the community and investigators.

Correspondent Keith Morrison takes viewers inside this haunting case, uncovering the disturbing details of the crime and how the investigation ultimately led to the killers. Tune in for “The Secret in Black Rock Canyon” this Sunday at 10:00 PM ET/9:00 PM CT for an in-depth look at the case that shocked a small town and exposed the deadly consequences of a disturbing obsession.