The Best Episodes of Dateline: Secrets Uncovered Season 14

After trumpet player Scott Sessions fails to show up for a scheduled gig, his family learns his body was abandoned in the remote Colorado Rockies; as the investigation narrows in on two suspects, a second murder catches police by surprise.

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Firefighters make a grisly discovery of the body of 39-year-old wife and mother Carmella Knight after responding to a house fire outside Toronto. An elaborate undercover sting reveals a devious murder-for-hire plot.

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A woman is found executed on a rural road 25 miles from downtown Laredo.

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When young mother and paramedic Annamarie Cochrane Rintala is found dead at the bottom of her basement stairs, it takes four trials and 13 years before justice is served.

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When Idaho police retrace the final hours of 16-year-old Cassie Jo Stoddart in 2006, they uncover evidence including a homemade horror film that points to her killers. Keith Morrison reports.

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After Tahereh Ghassemi disappears from the Louisiana home she shares with her adult son, detectives discover that she'd recently come into a great deal of money. The investigation reveals an astonishing plot with international implications.

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A month after Mollie Tibbetts' disappearance in Iowa, investigators discover surveillance video that captured a blurred image of Mollie jogging while being followed by a mysterious black car.

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When a U.S. Air Force Airman is shot multiple times inside his garage, a trail of clues leads Las Vegas detectives to a secret love affair and a murderous plan.

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A mother searches for answers in the unsolved murder of her 14-year-old daughter until new DNA technology changes everything.

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A nurse is gunned down in her home and detectives believe they have a suspect. As they delve deeper into the investigation, new information leads them down a completely different path.

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Kelsie Schelling disappears one night after leaving work, leading family and investigators on a four-year hunt to find the pregnant 21-year-old; cell phone records reveal what happened to Kelsie.

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Police bodycams capture officers rushing to Amy Allan's house after her husband called 911 to claim she'd taken her own life; investigators delve into forensic evidence and mobile data to solve the crime.

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Private Investigator and former police officer Taylor Wright vanishes, but detectives think there is more to the story after her girlfriend receives strange text messages from Taylor's phone.

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Detectives in Washington, D.C., discover a puzzling connection between two women who disappeared two decades apart. An investigation reveals a sinister secret hidden along one of the busiest stretches of interstate in the country.

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