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When Dr. Teresa Sievers is found murdered in her kitchen, detectives struggle to find any leads until an unexpected tip changes everything; the woman who helped investigators speaks out.

Dateline: Secrets Uncovered

The Road Trip

After New Jersey mother Michelle Lodzinski reports that her 5-year-old son has vanished from a carnival, detectives embark on a decades-long investigation until a family member identifies a key piece of evidence pointing to a potential suspect.

The Blue Blanket Mystery

After Florida teacher Denise Hallowell is found murdered in her home, investigators examine her family's tumultuous past in their desperate search for a killer.

Horror at the Lake

After the cause of the death of Stacy Feldman in her Denver home is ruled as undetermined, friends and family join forces to piece together what happened; insiders close to the case speak out about the seven-year battle for justice.

The Sisterhood

A family begins a relentless pursuit of justice after the death of Nevada attorney Susan Winters is ruled a suicide; Susan's parents open up about the seven-year case and their efforts to push back against the criminal justice system.

A Cool Desert Morning

Twenty-seven-year-old Egypt Covington is found murdered in her home; investigators in Michigan quickly identify a person of interest, but years pass without an arrest.

A Girl Named Egypt

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.

A Haunting Stretch of Road

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.

The Necklace

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.

What Happened in the Basement

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.

The Night Kelsie Disappeared

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.

The Breakup

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

A Promise to Gloria

Exploring the stories through firsthand accounts told by people who are close to the crime; including investigators who dedicated their time to the cases and family members who are still trying to confront the tragedies that befell their loved ones.

S14 E19 | The Blue Blanket Mystery

E20 | The Road Trip

E19 | The Blue Blanket Mystery

E18 | Horror at the Lake

E17 | The Sisterhood

E16 | A Cool Desert Morning

E15 | A Girl Named Egypt

E14 | A Haunting Stretch of Road

E13 | The Necklace

E12 | What Happened in the Basement

E11 | The Night Kelsie Disappeared

E10 | The Breakup

E9 | A Promise to Gloria