20/20 - Season 38 (1978)

Five years after escaping from the kidnappers who held her captive for 18 years, Jaycee Dugard sits down with Diane Sawyer to discusses her new life and reintegration into society.

20/20 updates the story of Ethan Couch a teenage drunk driver who killed four pedestrians, but later was sentenced to probation due to his "affluenza." Last month Ethan and his mother skipped to Mexico after video surfaced of Ethan violating his probation. They were arrested in Puerto Vallarta and Ethan sits in a Mexican jail fighting deportation.

20/20 updates the the case of Brian Carrick who disappeared from his Johnsburg, Illinois, stock boy job in December 2002. Originally, co-worker Mario Casciaro was arrested and convicted of murder despite the lack of a body. Recently, developments in the case, however, have overturned his conviction and have led to his release from prison.

20/20 goes to Lubbock, Texas, to investigate the July 2012 murder of pathologist Joseph Sonnier. Police uncover a love triangle and arrest plastic surgeon Thomas Michael Dixon. Prosecutors argue that Dixon hired his friend Dave Shepard to kill Sonnier in order to punish or get back at an ex-girlfriend Sonnier was dating. Shepard accepted a plea deal and testified against Dixon who was convicted of murder.

20/20 examines the allegations of sexual misconduct that have been brought against actor and comedian Bill Cosby, who was recently criminally charged for the first time. It looks at the criminal and civil battle taking place across several jurisdictions and speaks to some of Cosby's accusers.

20/20 looks at the Lottery. "The Vultures" examines how some lottery winner have been preyed upon by scam artists. "The Mystics" talks to players who use visualization and numerology to pick their lottery numbers. "The Pros" talks to a man who has a system that has helped him win seven lotteries. "The Scammer" looks at a case where a man rigged an Iowa lottery. "The Pool" looks at how some people pool money with other in order to increase their odds of winning.

20/20 goes to, Lansing, Michigan to investigate the scandal surrounding Conservative Tea Party Representatives Todd Courser and Cindy Gamrat who were caught having an affair. Courser attempts to bury the scandal by encouraging an aid to publicly email a false set of lurid allegations against him. The aid refuses to assist in the cover-up and, after being dismissed by Courser, goes public revealing the attempted cover-up and the affair. Courser and Gamrat are forced to resign.

20/20 helps three people who are trying to reunited with their long lost families. It looks at the following cases: D.J. Williams who was abandoned as a baby near a Christmas nativity scene, Gina Lozada who is searching for a missing half-sibling, and Amanda Holdiness who is searching for her biological father.

20/20 goes to Las Vegas to examine the February 2015 shooting death of Tammy Meyers which is originally attributed to road rage. Later, however, police discover that Tammy and her armed son drove around looking for the people who sideswiped her car. When the police identify their suspect, he claims it was all a case of mistaken identity.

Sue Klebold, the mother of Columbine gunman Dylan Klebold, discusses her relationship with her son, what happened inside her home leading up to the tragedy, and the victims of the April 20, 1999, massacre. In addition, Diane Sawyer examines teenage mental health, warning signs of a child in crisis, and what can be done to prevent the next school shooting.

20/20 looks at the Fundamentalist Church of Jesus Christ of Latter Day Saints and follows three former members attempts to free their children from the controversial polygamist sect. They discusses their former lives in the Church as they hope be reunited with their children.

20/20 goes to Georgia to examines the 2011 murder of Nique Leili whose husband Matt Leili worked in the security system business and installed an elaborate system in his own home. After footage from the night of Nique's disappearance is discovered to be missing, authorities build a case against her husband and eventually convict him of murder.

Robin Roberts anchors this look at key moments in the careers of 2016 Oscar nominees, including Sylvester Stallone, Brie Larson, Bryan Cranston, Matt Damon and Ridley Scott.

20/20 looks at the May 2010 murders of Army veteran Sam Herr and his friend Julie Kibuishi. They were killed by former community theater actor Daniel Wozniak who killed Herr to steal $60,000 and, then, murdered Julie Kibuishi in order to throw the police off his trail.

20/20 offers a special report on the growing heroin crisis in America. David Muir goes to New Hampshire which has one of the highest rates of overdose death in the country. He also profiles several families that are dealing with effects of addiction and rehabilitation.

20/20 talks to Mexican actress Kate del Castillo, who helped to arrange a secret meeting between actor Sean Penn and the notorious Mexican drug lord, Joaquin 'El Chapo' Guzman. She talks about meeting the drug lord and how the encounter has affected her life, since.

Two teenage girls disappeared for two-and-a-half years, when their divorcing parents became engaged in a bitter custody battle.

The murder trial of Tom Fallis, who was accused of killing his wife, after her death was originally ruled a suicide.

Elizabeth Vargas is interviewed by Diane Sawyer, in the Season 40 premiere, about her secret struggle with alcohol and anxiety, as revealed in her memoir, "Between Breaths".

Detectives suspect that the 2014 murder of a Florida State University criminal law professor may be the result of a family feud.

Police provide correspondent Ryan Smith access to their investigation into the brutal murder of a University of North Carolina sophomore in September 2012, Included: a DNA generated composite of what the alleged killer may look like; interviews with the victim's parents and her siblings.

The murder of a 12-year-old child in October 2011 is investigated, after the man accused of strangling the boy to death, was acquitted of the crime.

Kimberly Long serves seven years in prison for the murder of her boyfriend, Ozzy Conde.

University of Virginia's former Associate Dean of Students Nicole Eramo talks about the Rolling Stone article, detailing the alleged gang rape of a University of Virginia student at a frat party.

Christopher Waide is convicted of the 2014 murder of 19-year-old Lea Porter.

U.S. authorities scrutinize a supposed miracle cure for autism that a fringe church is promoting; employees faking injuries to receive disability; an American woman convinces people that she is a descendant of French nobility.

Information leads to the dismissal of charges against a man convicted of the murder of Chandra Levy.

A look at the life of Donald Trump and how he captured the presidency, featuring interviews with his family, longtime friends and campaign manager, Kellyanne Conway.

Journalist Gretchen Carlson speaks out about the sexual harassment she's experienced throughout her life; a former Wall Street trader talks about the sexist atmosphere he observed at work; the lengths that people will go to prove harassment claims.

Real-life designated survivors Dan Glickman and Gale Norton; actors Kiefer Sutherland and Kal Penn (Designated Survivor (2016)).

A profile of Owen Suskind, an autistic young man who learned to communicate with the help of animated movies and was the focus of the documentary Life, Animated (2016).

A conservation with Keith Papini, husband of Sherri, the California mom who disappeared on Nov. 2, 2016, and was later found bound and injured 150 miles from her home.

Mark Carver, serving a life sentence for the 2008 murder of University of North Carolina student Ira Yarmolerko, speaks out.

A man who served on the grand jury that voted to indict John Ramsey and Patsy Ramsey in the 1996 murder of their daughter, JonBenét Ramsey, believes he knows who committed the crime.

Investigative genealogist Pamela Slaton; three siblings, who were abandoned as infants, are reunited.

Entertainers and legends, who passed away in 2016, are profiled, including Prince, Muhammad Ali, Florence Henderson, Fidel Castro, David Bowie, Glenn Frey, Merle Haggard, Pat Summitt, Arnold Palmer, Craig Sager, Gene Wilder, Doris Roberts and others.

A look back at the lives and careers of actresses -- and mother and daughter -- Debbie Reynolds and Carrie Fisher.

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Charging a Washington, D.C., attorney with attempted murder; a fiancee takes out a hit.

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Orlando Nightclub Massacre: A Timeline of What Happened; Orlando Nightclub Massacre: A Violent Attack on Prideful Community; Orlando Massacre Suspect's Father: 'I'm Really Saddened and I'm Really Surprised'.

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