Trump, Family Open Up About His Presidential Run, Home Life
Trump, his wife and four of his children sat down with Barbara Walters.
Why You Don't See Donald Trump's Wife on the Campaign Trail
Melania Trump has been conspicuously absent from her husband's campaign.
Trump's Kids Say Quality Time Was Learning the Business
Donald Trump's children sat down with Barbara Walters to talk about their dad.
Donald Trump's Kids Dish on Their Dad's 'Trumpisms'
And what Donald Jr, Ivanka, Eric and Tiffany think of his hair.
Trump Says He Would Ban Syrian Refugees From Entering US
He said it was tough to distinguish Christians from Muslims.
Veteran Reunites With His Twin Kids for First Time in Over 40 Years
Allen Thomas says he didn't know their birth mother put them up for adoption.
How Decades-Old Mystery of Army Vet's Long-Lost Twins Was Solved
"I've been looking for a long time," Allen Thomas told his son at their reunion.
Woman Accused in Fiance's Kayak Death: 'I'm Not a Killer'
Prosecutors claim Angelika Graswald tampered with her fiance's kayak.
Timeline of Events in This Mysterious Kayak Death on the Hudson
Angelika Graswald is accused of killing her fiance while they were kayaking.
Leah Remini on Her Break With the Church of Scientology
Former "King of Queens" star sat down for an exclusive interview with "20/20."
Leah Remini: 'Being Critical of Tom Cruise Is Being Critical of Scientology'
Actress sits down for an exclusive interview with "20/20," airing Oct. 30.
Church of Scientology Oct. 30, 2015 Statement to ABC News Regarding Leah Remini
Oct. 30, 2015 statement to ABC News regarding "20/20" Leah Remini interview.
Katie Holmes' Statement to ABC News Regarding Leah Remini
Leah Remini sat down for an exclusive interview with ABC News' "20/20."
Ark. Official Denies Exorcism Was Performed on Adopted Kids
Justin Harris said two of his former adopted daughters were diagnosed with RAD.
How 3 Girls, Ark. Official Became Center of Adoption Controversy
Justin Harris and his wife adopted three girls and later 're-homed' them.
'Affluenza' DUI Case: What Happened in Accident That Killed 4
Ethan Couch was sentenced to 10 years of probation and rehab time for the crash.
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 Trial: Where Are They Now?
O.J. Simpson's murder trial brought fame to lawyers, witnesses and Simpson.
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.
7 Shocking Things O.J. Said in Rarely Seen Deposition Tapes
In the civil suit deposition, Simpson spoke for the first time under oath.
Vargas Is the Co-anchor of '20/20' on ABC News
Weekend Anchor, "World News with David Muir" Co-Anchor, "20/20"
Watch: Donald Trump, The Presidential Candidate: Part 1
The brash billionaire is a real estate mogul who reinvented himself as a reality TV host before running for president.
Watch: Donald Trump's Wife Melania on Their Marriage, His Campaign: Part 2
Melania Trump tells Barbara Walters she encouraged him to run and talks about what kind of First Lady she would be.
Watch: Donald Trump, Life at the Top: Part 3
Trump has made his wealth a talking point on the campaign trail and talks to Barbara Walters about handling success.
Watch: Donald Trump's Children Talk About Their Upbringing: Part 4
Donald Jr., Ivanka, Eric and Tiffany Trump talk with Barbara Walters about the man they call "Dad."
Watch: Donald Trump on His Dreams, His Appearance: Part 5
Before he decided to go into the real estate business, Trump said he considered going to film school.
Watch: How Donald Trump Is Handling His New Role of 'Grandpa': Part 6
Trump has seven grandchildren, ranging in age from 8 years old to 17 months, with one on the way.
Watch: Experts and Parents Discuss R.A.D. -- Reactive Attachment Disorder
A look at a condition often found in children who have not formed healthy attachments with parents, caregivers since birth.
Full Episode: 20/20 10/30/15: Troublemaker
Leah Remini Recalls When She First Got Involved in Scientology; Leah Remini on Being Friends Tom Cruise, His Wedding to Katie...
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.
Photos: Celebrities Who've Been Affiliated With Scientology
From Tom Cruise to John Travolta, several stars have spoken about Scientology.