Impact x Nightline

The mystery surrounding a group of Silicon Valley dropouts in jail in 3 states. Are they part of a new cult? What authorities say connects the so-called Zizians, some wearing masks, robes and wielding swords, and a trail of blood across the country.

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.

Grammy winner Ne-Yo and his four girlfriends made headlines when he announced their polyamorous lifestyle. He opens up about it all and we go inside the world of polyamory: from speed dating events to a throuple who have been together for years.

As more people take Ozempic, Mounjaro and other GLP-1 so-called “skinny shots,” a black market grows of fakes and counterfeits. Reality stars Dolores Catania and Aisleyne Horgan-Wallace speak to Juju Chang as IMPACT investigates illicit weight loss drugs.

Should the Manson killers go free? The Manson Family cult is back in the headlines decades after the brutal murders of 7 people. One killer is already free. Now, another is seeking parole. Why victims' families say they are still a danger to society.

A man with a fatal stab wound to his neck, found at the Burning Man gathering on the night of the symbolic burn. The exclusive interviews with members of the victim's camp and police. Shocking a pop-up community of art and music in the Nevada desert.

What if death isn't the end? Paranormal investigators and near-death experiencers say there's something more beyond this life. From documenting spirits of the dead to stories of actually crossing over, inside our fascination with what happens when we die.

It was a web of deception, lies and murder that would bring down a family dynasty. Inside the making of the hit series "Murdaugh: Death in the Family" that's inspired by real events.

Come on an adventure: From the streets of Paris to the diamond capital of the world, former thieves detail the thrill of a heist and we go inside a sting. New intel about how $100 million of Crown Jewels were stolen and the lengths to find them.

Shadowy cult leader, Keith Raniere, left dozens of women branded and abused in his wake. Now a former Hollywood actress is speaking out about becoming his sex slave after being sucked into NXIVM, detailing her own abuse -- and how she abused others.

16-year-old Theresa Fusco went missing after a shift at a roller rink ー her body later found beaten and naked. 40 years later, authorities believe they found the suspect. Now, families of two other girls who went missing around that time want answers.

A young mother brutally murdered, and a case gone cold for 34 years, until a bunch of college students blow it wide open.

The Zodiac and the Black Dahlia murders: Two of America's most notorious unsolved mysteries. Could it be the same killer? Following a trail of cryptic clues, an amateur sleuth now says he’s cracked the code on both cases.

The Beckham family feud. Brooklyn Beckham shares a bombshell statement on Instagram accusing his famous parents of prioritizing their image over their family. Inside the wedding dress speculation drama and what really happened with their first dance.

A mysterious double murder in Ohio leaves a community on edge after Spencer and Monique Tepe are killed in their home while their young children slept. Now the shocking arrest is prompting more questions than ever.

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 her controversial decision to nearly bare it all online.

With old shows getting new life on streaming, one show is getting some heat; America's Next Top Model. We talk to past contestants and judge Janice Dickinson. Later, supermodel Coco Rocha teaches pose, poise and how aspiring models can protect themselves.

The Royal family in crisis as outrage grows over ex-Prince Andrew’s ties to Jeffrey Epstein. Inside the emails between the sex offender and the disgraced brother of the King. Now with pressure mounting on the monarchy, can it survive this scandal?

In 1991, 22-year-old Pamela Smart was convicted of planning her husband’s murder after her teen lover shot him. 35 years later, after taking responsibility for the crime, her fight for freedom continues claiming new evidence.

Reality TV star Spencer Pratt is running for mayor of Los Angeles. He says his villain persona was all an act, revealing what really happened behind the 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?

Two hikers find a young woman bloodied and injured on a scenic trail in Hawaii. Is it the case of a murderous scorned husband, or the work of a calculating wife? Inside the trial.