A boy becomes the center of a rivalry between two teenage girls in the opener of the crime documentary series.
Two missing daughters unite two fathers, who become citizen detectives to find them.
The crimes of Marcus Wesson, who controlled his family like a cult before their bloody demise, are detailed.
A young military wife and two of her daughters are murdered in their own home, and one toddler is spared from the killings.
The crimes of Philippe Padieu, who was convicted for knowingly exposing his unsuspecting lovers to HIV.
An Internet prank turns deadly on Long Island.
A minister's wife is found dead in her home. Police question whether it was suicide or murder, and the minister's mistress could be the key to solving the mystery.
The story of Rebecca Babcock, whose mother, Diane Downs, shot three of Rebecca's siblings in 1983, killing one of them
Two fathers travel to Italy to be reunited with their sons, but their efforts are impeded.
The 2006 killings of Wayne and Sharmon Stock in Murdock, Neb., and the subsequent investigation are discussed.
The ordeal of a high-school teacher who was kidnapped—along with her daughter—by a deranged former student is detailed.
The case of Etan Patz, a 6-year-old boy who went missing in New York City in 1979, is discussed.
The murder of 15-year-old Leah Freeman, who was slain in Coquille, Ore., in 2000, is investigated.
Profiling Kelley Cannon, who was convicted of killing her husband in 2008.
A tale of love gone awry for a real-estate agent and a lounge owner culminates in murder.
A young man's identity is stolen by his estranged father; a murder case in which an 18-year-old woman killed her father is detailed.
Two tales of love gone wrong from Seattle and Missouri are detailed.
A report on two separate murder cases---one in Indiana, another in Edmonton---that investigators suspect were inspired by the TV drama "Dexter."
The discovery of a woman's naked and beaten body begins a mystery of dead ends, but a determined investigator refuses to give up on his search for the truth.
Girl drowns in a pool; her mother becomes a target, and this supposed accident becomes more
An interview with Dharun Ravi, the former Rutgers student arrested for spying on roommate Tyler Clementi, who later committed suicide.
A sailor disappears from duty on his Navy ship; a sister vanishes.
An 11-year-old disappears after leaving her home to meet the ice cream truck.
Five teenagers are convicted of raping a woman jogger in New York's Central Park, then, 12 years later, a convicted murderer confesses to committing the crime.
A lawyer must find evidence to win his client's freedom after he confesses to the murder of his 3-year-old daughter, Riley.
Jodi Arias convicted of murder that points to revenge; fatal triangle for widowed wife.
A woman is accused of murdering her husband; a mother convicted of murdering her son.
An entire city searches for a woman; a husband hits a man for revenge; an attorney is caught in a deadly crossfire between spouses.
A woman is gunned down and surveillance cameras may help catch the killer; a murderer reveals his plot on the Internet; a photographer lures models to their deaths.
A young couple is lost in a blizzard and high on meth.
Christine Paolilla's conscience appears to trouble her after four of her friends are found shot to death.
No one is above suspicion after second grader Somer Thompson vanishes while walking home from school, and the investigation turns her tight-knit community upside down.
Aaron Vargas admits to shooting and killing longtime friend Darrell McNeill, but his motive shocks the small community of Fort Bragg, Calif., and brings a dark secret to light.
Ten-year-old Britteny Bergeron is left paralyzed after being stabbed 27 times in an attack that claims the life of her 3-year-old sister, Kristyanna
As a toddler, Carmina Salcido is left for dead in a field, the only member of her family to survive her father's murderous rage; the truth was hidden from Carmina for years, but now she must come to grips with her tragic past.
A devout Mormon, who believes she can speak to God, is found drowned in her bathtub under mysterious circumstances after foreseeing her own death.
Lucie Blackman, Carita Ridgway and Lindsay Hawker are murdered after moving to Japan, and their parents must navigate a puzzling and seemingly impenetrable legal system in their attempts to pursue justice on behalf of their daughters
A woman kills her boyfriend with a stiletto heel; a runaway bride fakes her own kidnapping; a con woman uses a Craiglist advertisement to scam potential adoptive parents; a woman bludgeons her husband to death.
A movie shooting on a railroad bridge turns tragic when a train suddenly appears
Part 1 of 2. Diane Sawyer interviews Jaycee Dugard, who was abducted in 1991 and held for 18 years. Among the subjects they discuss are adjusting to a new life and reintegrating into society, which she writes about in "Freedom: My Book of Firsts."
Conclusion. Diane Sawyer interviews Jaycee Dugard, who was abducted in 1991 and held for 18 years. Among the subjects they discuss are adjusting to a new life and reintegrating into society, which she writes about in "Freedom: My Book of Firsts."
A drifter murders Italian fashion designer Gianni Versace
Two 12-year-old girls attack a friend in the woods, leaving her for dead; when questioned by police, the girls say a creature named Slender Man made them do it.
A brazen gang of diamond thieves leads police on a cross-country chase; the gang's high-flying ways may lead to their undoing
Maverick software company founder John McAfee goes on the run after being accused of murder while living in Belize
Toddler Cooper Harris dies after being left in a hot car; his father says it was an accident, while authorities say it was murder; during the trial, Cooper's grieving mother speaks out about what happened to her baby boy and stuns the courtroom
Threats turn an online romance into a nightmare
After a man is bludgeoned to death in his home, his wife and father-in-law claim it is a case of self-defense; then investigators take a closer at the crime scene, and the story of what really happened that night emerges.
An armored truck driver and his family commit a series of heists, eluding authorities for more than a decade; when one of them starts flashing money around, their plan for living the good life begins to crumble.
A shocking crime jolts a small town when a young woman disappears and is later found dead. The last person seen with her -- a mysterious figure in camouflage. Investigators focus on several suspects and one is convicted.
In a football-crazed town, a star player and a teenage girl end up in a he-said, she-said controversy after a raucous party; investigators ask what happened when the two of them went into a bedroom during the party and closed the door behind them.
A wealthy community is shocked after a person dressed like a clown guns down a woman at her front door; suspicion falls on the victim's husband and his alleged girlfriend, but it will take more than 20 years until an arrest is finally made.
After spending 11 years in prison, Noura Jackson talks about the evidence that put her behind bars.
A mysterious figure threatens to expose the secret affair between two married politicians; despite a cover-up attempt, the situation spirals into a major public scandal, which ultimately derails multiple political careers.
A young woman is tried for sending text messages encouraging her boyfriend to commit suicide.
For more than 20 years, Larry Nassar, the doctor for the USA Gymnastics national team, sexually abuses young athletes in his care; finally, one survivor breaks her silence; now, a group of women comes together to tell their stories and seek justice.
In Cape Cod, Mass., a writer is found murdered in her home, causing rumors to run rampant.
In Cape Cod, Mass., a writer is found murdered in her home; rumors run rampant, while investigators discover a tangled web of relationships; however, the community is unprepared the shocking arrest of a suspect who makes stunning claims.
A whirlwind romance between two doctors takes a dark turn fueled by revenge, secrets and obsession; after someone ends up dead, a voice from the grave sheds light on a murder plot
A woman is certain she knows who murdered her mother; after five years, the cold case turns hot, as investigators realize that a pillar of the community is hiding secrets.
A night of partying by fraternity brothers ends with one student dead and three wounded after a knock on the door leads to gunfire
A couple goes kayaking on the Hudson River, but only she returns alive; authorities piece together the clues and come to believe that she murdered her fiancé, while she insists his death is the result of a tragic accident.
After a brutal attack, a woman undergoes hypnosis to recover memories of the man who assailed her.
Identical twins are adopted into different families without their birth mother or adoptive parents ever learning the truth; now, this decades-old scandal is brought to light
Jens Soering confesses to murdering his girlfriend's parents; investigators ask if he acted alone or was swayed by devotion to the woman he loved; they wonder if he was bewitched into confessing to a crime he didn't commit.
Six brothers are confined to a small New York City apartment for 14 years by their father; they watch thousands of movies before one brother decides to break free.
The so-called "Rehab Mogul," Christopher Bathum, owns more than 20 alcohol and drug treatment facilities in two states; however, some clients claim Bathum is a drug user and sexual predator who derailed their recovery
Dee Dee Blanchard takes care of her wheelchair-bound daughter, Gypsy Rose; then, Dee Dee is found murdered, while Gypsy goes missing; as police investigate, they uncover a tangled web of secrets, lies and betrayal.
Former NXIVM members allege that leader Keith Raniere operated a secret sorority within the group, one that treated women as slaves and branded them for life.
Newly pregnant 21-year-old Kelsie Schelling goes missing while visiting her on-again-off-again boyfriend; her mother's desperate search leads to a disturbing connection with another mother miles away.
A serial rapist and murderer terrorizes California for more than 10 years.
An 11-year-old's soon-to-be stepmom is found murdered in their home; a child-sized shotgun, gun residue on his clothes and a witness account all seem to point to the boy as the shooter.
When a young lawyer fails to show up for a blind date and is later found shot to death in his apartment, a woman freely admits to pulling the trigger; investigators must uncover whether she was acting in self-defense or if it was cold-blooded murder.
Convicted murderers David Sweat and Richard Matt escape from a prison in Dannemora, N.Y.
A young boy suffers a fatal fall at his father's home; two days later, the man's girlfriend is found hanging from a rope off a balcony
Shanann Watts and her two young daughters go missing, and husband Chris pleads for their safe return on television; then their bodies are found at the oil site where he works.
Sandy Melgar is convicted of murdering her husband, Jim, on the day they planned to celebrate 32 years of marriage; a podcaster with a virtual of amateur detectives seek to overturn her conviction