The brutal shooting of Stephen Perret looks like a mob hit. Police have little evidence, but soon discover Stephen made a call just before he was murdered. Chris tracks down the person Stephen called... who reveals the identity of his killer.

In Longmont, CO, Tammy Tatum is brutally murdered right near her one-year-old daughter, Sadie. Now 24, Sadie reveals to Chris Hansen the shocking truth... that the killer was someone she knew her entire life.

In California’s Valley, 20-year-old Megan Barroso is heading home from a July 4th party when she disappears. Her car is found stranded on Highway 23 - riddled by bullets from an AK-47. Chris Hansen unfolds the harrowing tale of a truly evil predator.

Chris Hansen interviews a convicted killer in order to understand why he and his brother kidnapped an 84-year-old Geraldine Davidson, drove around and showed her off as their "prize" before assaulting her and tossing her into a river where she drowned to death.

The discovery of 26-year-old Dan Sorenson’s headless body launches an investigation with countless twists and turns. One of the teen killers confesses, saying his friend was the mastermind behind the stabbing, but can his word be trusted?

When elderly Vietnam vet Patrick Fleming is stabbed to death, detectives expose a crime ring led by a Gypsy con woman and killer.

When mother Jo Ann Bain and her three daughters disappear; detectives unravel a tale of troubled love, obsession and cold-blooded killing.

When expectant mother Deanna Ballman is found murdered, online clues lead police to every patient’s worst nightmare: a doctor who uses his skills to kill rather than cure.

It looked like Sarah and Carl Collier were just hoping to give their granddaughter Holly Harvey a better life.

The discovery of 26-year-old Dan Sorenson’s headless body launches an investigation with countless twists and turns. One of the teen killers confesses, saying his friend was the mastermind behind the stabbing, but can his word be trusted?

Chris Hansen interviews a convicted killer in order to understand why he and his brother kidnapped an 84-year-old Geraldine Davidson, drove around and showed her off as their "prize" before assaulting her and tossing her into a river where she drowned to death.

When 6-year-old JonBenét Ramsey turns up dead in 1996, her parents are the only suspects. After an exhaustive investigation, they are finally cleared of the crime. Nineteen years later, Barbara Walters re-interviews her father.

Nineteen years after the murder of 6 year-old JonBenét Ramsey grabbed the national media spotlight, Barbara Walters sat down with Jonbenét’s father, John, to discuss the toll years of speculation and suspicion took on the Ramsey family.

Michael Jackson is one of pop culture’s greatest icons and noted philanthropists. But to the public over the years he was a mass of contradiction.

In one of the most famous murder stories of all time, Nicole Simpson and Ron Goldman were stabbed to death. The evidence pointed to Nicole's ex-husband O.J. Simpson but the jury found him not guilty. 20 years later, Barbara talks with Kato Kaelin again.

Celebrity diet doctor Herman Tarnower was discovered shot dead at his home within hours of a visit from his lover Jean Harris. What really happened that night? Broadcast legend Barbara Walters takes viewers behind the scenes of one of the most lurid murder stories she has ever covered. For the first time, Harris’ son, Jim Harris, sits down with Barbara Walters and shares what life was like with “mother.” And later, Walters shares personal commentary on why she grew close to Jean Harris and even risked her own reputation to save her.

Barbara Walters has a very unusual pen pal: a young man who killed his parents. Erik Menendez and his brother, Lyle, brutally shot their mother and father to death in their Beverly Hills mansion one evening. Was the family hiding a horrible secret? Barbara reveals chilling details about the crime, the trials, and her exclusive interview with the brothers. Walters interviews Erik Menendez’s wife, Tammi, and shares never-before-seen letters from Erik, describing his life in prison, his hopes, and regrets. Finally, Walters uncovers a stunning message from Erik’s childhood, a bombshell that could possibly grant the brothers a new trial.

Two baby girls born at the same Florida hospital were sent home with the wrong families. While one died tragically, the other became embroiled in a dramatic tug-of-war as both families fight for custody of the girl each believed to be their daughter. Who sent the babies home with the wrong families? Was it an accident or foul play? And what happened to Kimberly Mays, the young girl who survived? Barbara talks to both families and has an emotional reunion with Mays to find the truth behind a mystery that has taken more than 20 years to unravel.

On December 8, 1980, music legend John Lennon crossed paths with a lonely, suicidal fan in front of his New York City apartment. Hours later, Lennon was murdered in cold blood, shot in the back four times. Barbara Walters shares her disturbing interview with Lennon’s murderer, Mark David Chapman, and traces his steps leading up to the crime.

Jim Bakker had it all: fame, fortune, and respect as the world’s most successful televangelist. But a sexual tryst and financial troubles caused him to lose his ministry, his marriage, and ultimately landed him in prison. Barbara Walters takes a closer look at one of the ‘80s most colorful scandals, involving big money, big hair and the “prosperity” gospel. Her interviews with Bakker and his family reveal what life was really like for the family behind the “PTL Club.”

Barbara Walters revisits the country’s most notorious teacher-student sex scandal.

Robert Blake shocked and captivated viewers with his aggressive prison interview with Barbara Walters as he sat in jail waiting for a court date for the murder of his wife, Bonnie Lee Bakley. Blake cries for his daughter Rosie and trashes Bakley. This explosive prison interview is one of Walters' most compelling, as Blake rants about the injustices he said he faced. Two weeks after the interview aired, Blake was freed on bail, and he credits Barbara Walters with saving his life. But did he get away with murder?

The murder of James Craig Anderson in Mississippi brings bigger problems into the open when the police find out the motive for his killing.

Tony Harris interviews a former skinhead to figure out why they think the way that they do, and what does it take for them to act on their hate so violently?

In 2012, the Sikh community in Oak Creek, Wis., was shattered when Army veteran and white supremacist Wade Michael Page unleashed a torrent of bullets inside their sacred temple, shooting 10 people, killing six of them.