When 18-year-old Michelle O’Keefe is found murdered in her shiny new blue Mustang in a California park and ride, investigators encounter a confusing crime scene and a witness who seems to know too much. In Dateline’s latest original podcast series, Keith Morrison takes us to the High Desert outside Los Angeles for a story featuring twists, turns and a sharp-eyed Dateline viewer who steers the case in an entirely new direction.

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She loved her shiny blue Mustang. Then it became a crime scene.

Police investigating Michelle O’Keefe’s murder encounter a talkative witness. Maybe too talkative.

A retired sheriff’s deputy sees Michelle O’Keefe’s smiling face on a billboard and asks to join the investigation.

After three trials, a verdict. But a Dateline viewer could change everything…

An attorney and his son undertake a new review of the evidence in Michelle’s murder and get a surprise opportunity to make their case to prosecutors.

A big decision. New theories. And a mystery man revealed.