IMPACT x Nightline - Season 4

It investigates a group of Silicon Valley dropouts known as "Zizians" involved in a nationwide trail of blood, with members found in jail across three states while allegedly wielding swords and wearing masks/robes.

In the competitive world of sorority rush, mothers and daughters may have a secret weapon: rush coaches. From the thousands of dollars spent to the pressure and heartbreak, from alpha to zeta, we go behind the scenes of what it takes to seek a bid.

Lionel Richie shares the love, loss and lessons that shaped him into the man he is today from The Commodores to global stardom. In a candid conversation with Robin Roberts, Richie reflects on his transformative six-decade career.

As more people take GLP-1s, the so-called "skinny shots," a black market of fakes and counterfeits grows. Reality stars Dolores Catania and Aisleyne Horgan-Wallace speak to Juju Chang as "IMPACT x Nightline" investigates illicit weight loss drugs.

Should the Manson killers go free? The Manson Family cult is back in the headlines decades after they brutally murdered seven people. One killer is already free, and another is hoping for parole. Victims' families explain why they are still a danger to society.

A man with a fatal stab wound to his neck is found at the Burning Man gathering on the night of the symbolic burn, shocking this art and music community in the Nevada desert. Exclusive interviews include members of the victim's camp and police. 

What if death isn't the end? Paranormal investigators and near-death "experiencers" claim there's more beyond this life. From documenting spirits of the dead to stories of crossing over, explore the fascination with what happens in the afterlife.

It was a web of deception, lies and murder that brought down a family dynasty. Inside the making of the Hulu series "Murdaugh: Death in the Family."

From the streets of Paris to the diamond capital of the world, former thieves detail the thrill of a heist, and a former Fed takes viewers inside a sting. New intel about how $100 million of crown jewels were stolen and the lengths to find them.

This episode examines cult leader Keith Raniere, the founder of NXIVM, and the women who say they were manipulated and branded as part of his secret inner circle. A former Hollywood actress recounts how she was drawn into the organization and eventually escaped, revealing how Raniere maintained control through psychological pressure, loyalty tests, and isolation from the outside world.

This episode revisits the decades old murder of Theresa Fusco, a young woman whose killing remained unsolved for years. Investigators had little evidence at the time, and the case went cold. The documentary follows how modern forensic tools, renewed investigative work, and persistent efforts by detectives eventually uncovered new leads. Through interviews with law enforcement and people close to the case, the episode shows how the breakthrough evidence finally identified the killer and brought long delayed justice to Fusco's family.

A young mother disappears under suspicious circumstances, leaving investigators with few clues. The case goes cold for decades until a group of college students re-examines the evidence and uncovers new leads that reopen the investigation and bring renewed hope to the victim's family.

The episode explores a controversial theory linking two of America's most famous unsolved crimes: the Black Dahlia murder and the Zodiac killings. An independent investigator follows a trail of cryptic messages, historical records, and forensic clues while asking whether both crimes could have been committed by the same killer.

The Beckham family feud becomes public after Brooklyn Beckham posts a message on social media accusing his famous parents of prioritizing their public image over family relationships. The episode examines the pressures of fame, family expectations, and how celebrity conflicts play out in the public eye.

A mysterious double murder in Ohio leaves a community on edge after Spencer and Monique Tepe are killed in their home. Now, the shocking arrest is prompting more questions than ever. Spencer Tepe's relatives speak out in a new interview.

Piper Rockelle was one of YouTube's biggest child stars until a scandal shattered her world. Now 18, she's on OnlyFans making millions. She responds to the allegations against her mother and the controversial decision to nearly bare it all online.

Twenty years after the debut of America's Next Top Model, this episode revisits the cultural impact and controversies surrounding the groundbreaking modeling competition created by Tyra Banks. Former contestants and industry figures reflect on how the show shaped beauty standards, reality television, and the modeling industry, while also addressing criticism about the program's treatment of participants and some of its most controversial moments.

Britain's royal family is in crisis: Andrew's arrest, growing outrage over his ties to Jeffrey Epstein, and emails between a sex offender and the king's disgraced brother. With pressure mounting on the monarchy, can it survive this scandal?

22-year-old Pamela Smart, convicted of orchestrating her husband's murder by her teenage lover, is seeking to overturn her conviction, taking responsibility while arguing new evidence and advances in forensic science warrant a fresh look at the case.

Reality TV star Spencer Pratt says his villain persona was all an act and now says the real Spencer is running for mayor of Los Angeles. He peels back the curtain, coming clean on those wildest scenes on "The Hills."

New concern for Britney Spears, after her arrest for a suspected DUI. Less than 5 years after she was released from her conservatorship, some are asking whether the Princess of Pop needs help. What the #FreeBritney movement is saying now.

Utah mom, Kouri Richins, was accused of lacing her husband's cocktail with a deadly dose of fentanyl, then writing a children's book about grief. Her trial had all the makings of a made-for-TV movie. Will she be found guilty?

Investigates the attempted murder case of a young woman found bloodied on a Hawaii trail. The episode examines whether a husband—an anesthesiologist—attempted to kill his wife or if she attacked first