Did a young model jump off a mountain cliff or was she pushed? Her fiancé, accused of killing her, reveals the shocking final moments of her life in an interview with "48 Hours" correspondent Peter Van Sant. Watch more full episodes of "48 Hours" on Pluto TV.

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Crime. Social justice. Impact. "48 Hours" investigates the most intriguing crime and justice cases that touch on all areas of the human experience including greed and passion. "48 Hours," which premiered in 1988, has developed a rich history of original reporting and impact journalism that has helped exonerate wrongly convicted people, caused cold cases to be reopened and solved, and along the way changed lives.

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