Convicted Woman Denies Wanting Couple Dead After Social Media Feud
Jenelle Potter's former friends Billie Jean Hayworth, Billy Payne were murdered.
How a Social Media Feud Led to the Murder of a Young Couple
Billie Jean Hayworth and Billy Payne were found shot dead in their home.
'Shark Tank' Star Kevin O'Leary Reveals His Top 5 Sale Techniques
"Business is war," Mr. Wonderful said.
7 Shocking Things O.J. Said in Rarely Seen Deposition Tapes
In the civil suit deposition, Simpson spoke for the first time under oath.
Why Kris Jenner Feels Guilty 20 Years After O.J. Simpson Trial
Jenner was in the courtroom when jurors freed the Hall of Famer.
O.J. Simpson: What You Didn't Know About His Defense
Why the infamous glove may not have fit and how he celebrated his acquittal.
O.J. Simpson Trial: Where Are They Now?
O.J. Simpson's murder trial brought fame to lawyers, witnesses and Simpson.
Mario Casciaro Leaves Prison After Murder Conviction Overturned
Casciaro was convicted of killing 17-year-old Brian Carrick, who disappeared.
Murder Conviction Overturned in Illinois Missing Teen Case
Mario Casciaro was convicted of killing 17-year-old Brian Carrick.
Surgeon Plotting Ex-Wife's Murder Claims It Was Just 'Fantasy'
A former girlfriend recorded him describing what appeared to be his murder plan.
Listen to This Indiana Surgeon Allegedly Plot Ex-Wife's Murder
Dr. Gregory Konrath's then-girlfriend recorded his allegedly plan on her phone.
Inside Bizarre Case of Surgeon Accused of Murder Plot
Dr. Gregory Konrath is currently in jail, but not for attempted murder.
How Suzy Favor Hamilton Went From Olympian to Vegas Escort
The three-time Olympic runner made $600 an hour as a Las Vegas escort.
Vargas Is the Co-anchor of '20/20' on ABC News
Weekend Anchor, "World News with David Muir" Co-Anchor, "20/20"
Watch: 'Shark Tank' Shark Kevin O'Leary Names His Top 5 Sales Techniques
Part 1: For the "20/20" Sales Challenge, Kevin O'Leary trains college students in the art of the sale.
Watch: Students Compete to Sell the Most Cupcakes in a Jar
Part 2: Using "Shark Tank" shark Kevin O'Leary's tips, three college students try to sell the most cupcakes.
Watch: What You Might Not Know About the Business of Mary Kay
Part 1: The $4 billion sales empire of the cosmetic company Mary Kay was founded 53 years ago by Mary Kay Ash.
Watch: Why These Women Said They Left Mary Kay Disappointed
Part 2: The former beauty consultants say they would sometimes order extra product just to maintain their status.
Watch: Shoppers Beware: Misleading Advertisements and Shady Sales Tactics
A number of companies have been accused of advertising deals or sales that were deceptive to customers.
Watch: College Seniors Take the Elevator Pitch Sales Challenge
ABC News' "20/20" asked students to pitch themselves in 60 seconds or less, and this is what happened next.
Full Episode: 2020 09/25/15: The O.J. Simpson Tapes
O.J. Simpson: Inside the Case of the Defense 'Dream Team'; Hear O.J. Simpson Speak For the First Time Under Oath
Full Episode: 20/20 09/04/15: Pope Francis and the People
Pope Francis Asks Chicago Teen to Sing for Him; Pope Francis Calls Los Angeles Mother a 'Brave Woman'; The pontiff was...
Full Episode: 20/20 06/19/15: 'The Wolfpack'
'Wolfpack' Brothers Grew Up Locked in NYC Apartment for Years; Chance Encounter With Filmmaker Changes 'Wolfpack' Brothers'...
Full Episode: Bruce Jenner - The Interview
Bruce Jenner shares an exclusive and wide-ranging conversation with Diane Sawyer.
Full Episode: 20/20 03/18/15: The Untold Story of 'The Sound of Music'
Fifty years after its release, Julie Andrews returns to Salzburg, Austria, with ABC News' Diane Sawyer.
Full Episode: 20/20 02/27/15: A Nation of Women Behind Bars: A Diane Sawyer Hidden America Special
Women Behind Bars and the Families They Left Behind; The Duel Between Inmates and Officers Over Prison Contraband; What Life...
Full Episode: 2020 12/26: Court Overrules Mom's Conviction for Murder of Foster Son
Foster Son's Parents Suspected of His Salt Poisoning Death; Mom Found Guilty in Salt Poisoning Death of Foster Son; Mom...