IMPACT x Nightline

Prince Harry and wife Meghan's return to Britain is sparking questions about rival palaces and royal rifts with Prince William and Princess Kate. It's a shocking reverse after the Duke and Duchess of Sussex stepped back as working royals.

Secret recordings, accusations of gang rape and ketamine-fueled partying. What happened inside a Cornell frat house? 

The Cornell Seven delves into the Cornell fraternity rape allegations drawing national attention. As Jane Doe's claims ignite a social media storm, what comes next for the so-called Cornell Seven? "IMPACT x Nightline" investigates, speaking with current and former Cornell students, the student journalists whose dogged reporting brought the story into national headlines, and attorneys on both sides of the case. 

Who is Elizabeth Holmes? With a new film out, the disgraced Theranos founder chronicled in "The Dropout" sparks controversy again.

The new film "You Can See Everything" has put Elizabeth Holmes, the disgraced Theranos founder, back in the spotlight. But what really happened? From the podcast "The Dropout" and interviews with former Theranos whistleblowers and patients to going behind the scenes of the fictionalized Hulu series starring Amanda Seyfried, ABC News has chronicled every step of the saga surrounding Holmes. The college dropout-turned-tech entrepreneur charmed Silicon Valley, claiming her company would change the world with just a few drops of blood. Instead, a jury found her guilty of fraud. She was sentenced to prison but continues to profess her innocence. "IMPACT x Nightline" brings the microscope to the Silicon Valley scandal that captured the world's attention.