Compelling mysteries, powerful documentaries, in-depth investigations.
When the wife of a popular Atlanta DJ is found murdered in her home, detectives try to unravel what led to her killing.
The death of a Southern California woman is initially deemed a tragic accident until the truth is revealed.
A woman goes missing and investigators uncover her husband's chilling history including dark secrets about another missing wife.
Two murders in Toronto ignite an investigation that spans four decades. Breakthroughs in investigative genetic genealogy help crack the case.
A mother is found dead in a house fire but an autopsy reveals a brutal murder. The case goes cold for years until a shocking confession is made.
New details in the murder case of a professional cyclist. Interview with the plastic surgeon who convicted murderer sought out while on the run.
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 young mother is gunned down in broad daylight by a murderer in disguise.
When a firefighter is killed, the murder investigation unravels a web of secrets, a love triangle and stunning surveillance footage.
New interviews and never-before-seen evidence about the murder of Jennifer Dulos, including video and photos from residential security systems.
An Idaho man is sentenced to life after falsely confessing to his friend's murder. But after the true culprit is caught and the case seemingly closed, a chilling twist unfolds.
A series of mysterious events haunt 16-year-old Cassie Jo Stoddart while housesitting, and days later, she's found stabbed to death.
A mystery looms over a small New York town when a woman is murdered and a stunning secret is exposed; more than a decade later, new developments lead to an unexpected conclusion.
Law enforcement investigate possible motives after a package explodes at a Southern California day spa, leaving a beloved esthetician dead.
A devoted mother is found shot to death in her minivan. The case stays cold until old memories resurface and new revelations come to light, dividing her Florida family.
New details on the latest twist in the murder-for-hire plot involving a prominent Florida family that left law professor Dan Markel dead and a grandmother arrested.
When deadly gunfire erupts in an Austin, Texas, home in the middle of the night, detectives wonder if the homeowners' jewelry business is a possible motive.
A mother searches for answers in the unsolved murder of her 14-year-old daughter until new DNA technology changes everything.
While responding to a house fire in New Jersey, firefighters discover the burned remains of the homeowner in the basement.
Compelling mysteries, powerful documentaries, in-depth investigations.
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.
When 16-year-old Britney Ujlaky disappears, a small town in Nevada bands together to track down a potential suspect - an unknown cowboy.
When 17-year-old Alissa Turney is reported missing in Phoenix, it takes years before detectives treat her case as a homicide. A new investigation unearths dark family secrets.
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 disappearance of 19-year-old Alaska Native Sonya Ivanoff sends shockwaves through the small coastal city of Nome, Alaska.
A deadly high-speed chase in Montana leads "Dateline" on a search through 50 years of history to unravel the mystery of how one man committed one of the state's most notorious crimes.
The murder of former NBA star and hometown hero Lorenzen Wright sends shockwaves through the city of Memphis; insiders speak out about new developments in the lengthy search for justice.
When three people are found dead on the same day in a Kentucky town, investigators know it isn't a coincidence.
North Carolina detectives search for answers in the murder of 28-year-old Fayetteville construction worker James Chambers.
When 18-year-old Anjelica "AJ" Hadsell disappears, the investigation into her inner circle reveals a sinister betrayal.
Detectives in Portland, Ore., discover a puzzling connection between the 2018 murder of chef Dan Brophy and a blog post written years earlier titled.
A couple's anniversary celebration ends in murder during what appears to have been a home invasion, but investigators believe the suspect might be connected to the victim.
After a woman reports a prowler, police find her Olympic bronze medalist husband dead in their backyard.
Authorities charge an Oklahoma doctor in his wife's death.
A father is accused of stealing money from his children's trust funds and murdering his ex-wife to cover up his crimes.