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.
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.
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.
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.
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Lead detectives break their silence on the investigation into once-prominent South Carolina attorney Alex Murdaugh.
When a pediatric dentist is found dead, police uncover a complex plot and their suspect leads investigators on an international manhunt; the lead detective speaks out for the first time.
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When former Arkansas State Senator Linda Collins is found fatally stabbed outside her home, detectives investigate if her murder is connected to her political career or her personal life; the victim's children speak out about the case.
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The investigation into a deadly home invasion involving a local business owner takes a turn when an unlikely witness comes forward; new details emerge from exclusive interviews and never-before-seen police interviews.
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The missing-persons case of 12-year-old Jonelle Matthews in Colorado remains a mystery for more than three decades until detectives narrow in on a suspect whose bizarre behavior after her disappearance hints at something much more sinister.
A group of women help bring down a smooth talking serial predator turned killer who lured young women with promises of fame and fortune.
A beloved Staten Island teacher is found dead in the home she shared with her husband; an unknown number in her cell phone leads investigators to reveal troubles in her seemingly idylliclife -- and to ultimately unearth her killer
Dateline investigates the mysterious disappearance of Bethany Decker from Ashburn, Virginia in 2011, leaving behind her toddler son and expecting a second child.
A young father's murder at work leads investigators to deep secrets about sex, friendship, religion and family.
Nearly 40 years after young wife and mother Cathy Krauseneck is found murdered with an axe in her upstate New York home, a new team of investigators joins the cold case to uncover the killer.
When a Colorado mother vanishes without a trace, the detective investigating her disappearance discovers a connection to a previous assault; for the first time on television, the survivor of that attack recounts her terrifying ordeal.
Detectives search for answers after 34-year-old mother Annastasia "Annie" Hester is stabbed to death in a Portland, Oregon suburb; investigators uncover personal details that point to multiple suspects and possible motives.
After the wife of a college professor and relative of the founder of an oil empire is found murdered in her South Florida home, her son tells investigators that footage from the home's security camera could hold the key to finding the killer.
A notorious serial killer, nicknamed Hannibal, murders several people while working as a confidential informant for the FBI.
After 27-year-old Jonathan Crews dies mysteriously in his Texas apartment, his family takes matters into their own hands in an effort to find answers.
The discovery of a young woman's body in an abandoned building in rural Texas sparks a multi-state investigation lasting nearly two decades.
A quiet North Dakota college town is left in fear after student Mindy Morgenstern is found murdered in her off-campus apartment.
The investigation into the mysterious disappearance of a Canadian man sparks an international manhunt for an elusive killer with multiple false identities.
A week before a wealthy banker's divorce was set to reach a settlement, an ex-con says he was hired to murder someone in the family.
New details come to light in an alleged murder-for-hire plot targeting a former NYC police officer's husband; the officer's ex-boyfriend and other insiders close to the case speak out in exclusive TV interviews.
A massive manhunt ensues after Lois Riess murders her husband in Minnesota and flees to Florida, where she kills and steals the identity of a woman she had just met
Decades after Susan Smith confessed to drowning her two small sons in South Carolina, she advocates for parole; her ex-husband speaks out, arguing that Susan should remain behind bars for the notorious murder of their children
