20/20

Parents spying on their children; Carnie Wilson talks about her surgery and career; Jane Pauley discusses her retirement from NBC and future endeavors; a teenage girl born without arms excels

Deborah Roberts takes a look at nepotism, and interviews with Donald Trump and his children Donald Jr., Ivanka and Eric, Andrew Firestone, Faye Dunaway and her son Liam, Cybill Shepherd and her daughter Clementine Ford, Dr. Phil McGraw and his son Jay, and Gov. Frank Murkowski, who appointed his daughter Lisa to his senate seat.

Topic: drugs in Hollywood. Interviewees include Jack and Kelly Osbourne. Also: Cynthia McFadden updates a 2007 profile of Daniel Baldwin.

Part 1 of 2. A report on prostitution in the U.S. surveys the world's oldest profession, from legal Nevada brothels and high-end Manhattan call-girl rings to streetwalking in Philadelphia. Interviewees include New York Times columnist Nicholas Kristof. Diane Sawyer is the correspondent.

A family slaughtered in their home, with only one witness left behind.

Men allegedly scammed by so-called "Military Mistress" speak out.

A family slaughtered in their home, with only one witness left behind.

Men allegedly scammed by so-called "Military Mistress" speak out.

Diane Sawyer reports in-depth look at Islam in America and around the world.

Nev Schulman, discusses his documentary-thriller "Catfish".

A special edition of "20/20" goes inside the rescue mission in Chile.

A new police chief makes it his personal goal to find a teenager's killer.

Remarkable medical conditions are showcased including children diagnosed with Williams Syndrome, families that must deal with Tourettes Syndrome and inside the mind of Daniel Tammet, one of the world's smartest people diagnosed with Asperger's.

Former Rutgers student, Dharun Ravi, sits down for his first interview since being found guilty of spying on his college roommate, Tyler Clementi, with a webcam in the fall of 2010 because he was gay; Ravi faces up to 10 years in prison.

With the Mega Millions reaching almost half a billion dollars, "20/20" looks at past winners and losers, as well as the con artists who want a piece of the winner's take; reports also on broke lottery winners, office pools, and playing the odds.

Children with obsessive compulsive disorder; families of children with schizophrenia shares their experiences.

Transgender beauty contestant Jenna Talackova speaks in her first interview since being disqualified from the 2012 Miss Universe Canada competition because she was not a "natural born female"; Texas wife survives three Murder-for-Hire attempts.

Crazy captains, paranoid passengers and flight attendant freak outs.

The stories of men and women from around the country who have dramatically transformed their lives by adopting new, healthier lifestyles and losing up to half of their body weight, and the impact it has had on their loved ones.

From tricks of the trade for saving money on nuptials, and "Groomzillas" to extreme wedding proposals and wedding mishaps, "20/20" provides viewers with a behind-the-scenes look at the cutthroat wedding industry.

Understanding Transgender Children

Manti Te’o hoax, Beyonce Lip-Sync Scandal, an a real-life Norman Bates who impersonated his dead mother to keep her New York home.

Born into the spotlight for better or worse, “20/20″ reports on the kids of celebrities.

Gypsy Willis explains why she moved into Martin MacNeill's home two weeks after his wife's death.

When a couple is found dead, the investigation leads to a woman they had a relationship with online, her family and a man who claimed to work for the CIA.

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

Gio Benitez reports on the story of a 29-year-old lawyer who was found shot six times by his girlfriend in what she claims was self-defense, but a former girlfriend enlightens police with information that could possibly indict the current girlfriend.

A report on a child's life with autism.

A man found adrift at sea in a life raft claims his mother disappeared when their boat sank during an ill-fated fishing trip the two had embarked on.

Authorities set up an elaborate sting operation to catch a Houston couple who were allegedly attempting to hire a hit man to kill their exes.

The 2011 disappearance of a 20-year-old Tennessee woman and the ensuing investigation; interviews with the victim's family members and others connected to the case.

Following the life of Nathaniel Newman -- who was born with a cranio-facial condition known as Treacher Collins -- and his family.

An investigation on Christa Worthington's murder in 2002 and the man accused. Christa was stabbed to death with her daughter at her side, and new details on the crime raise questions as to whether the right person was convicted for the murder.

Thirteen siblings are found captive inside a California home; what life was like inside; details on the alleged abuse.

Tito Jackson's ex-wife Dee Dee Jackson tragically drowns; Jackson family finds death of Tito Jackson's ex-wife suspicious; Dee Dee Jackson's sons won't object to mom's convicted killer being paroled.

Successful Houston veterinarian finds love again with younger doctor; Authorities set up an elaborate sting operation to catch a him after he convinces her they need to hire a hit man to kill their exes; Man speaks to 20/20 while he awaits trial behind bars.

Brother recalls the 2011 day he saw his sister, Holly, alive for the last time; Missing 20-year-old Tennessee nursing student Holly Bobo's remains are found by ginseng hunters; Jury returns with verdict in man's trial for Holly's murder.

Route 91 Harvest Festival underway in Las Vegas, filling open air plaza on The Strip with country music lovers as shooter prepares in hotel; Woman describes moment when husband was shot while holding her; Remembering the Las Vegas mass shooting victims.

Multiple women describe alleged encounters with Harvey Weinstein; Angelina Jolie, Gwyneth Paltrow claim Weinstein harassed them; What could happen next for Harvey Weinstein.

Twenty-seven years after a Florida woman was fatally shot on the doorstep of her home by an assailant in a clown costume, police arrest her husband's new wife.

14-year-old girl reported missing after she doesn't come home from school; Kidnapping survivor recalls life in captivity and how she kept hope alive.

A high school cheerleader and football player's tumultuous relationship; Teen found dead in her bed from a gunshot to her head; Today, convicted killer apologizes for shooting ex-girlfriend

Interview with Elizabeth Thomas, who was taken at age 15 by her Tennessee high school teacher, resulting in a 38-day nationwide manhunt.

Stories of Americans who followed their dreams and started new careers later in life, including a woman who quit her finance job to pursue acting, and a woman who became the oldest person to graduate the from the Houston Police Academy.

Audio detailing the night Prince nearly died from overdose on plane; Prince suddenly dies at Paisley Park from fentanyl overdose.

Teacher's gruesome 1992 death launches decades-long mystery; Pennsylvania teacher's 1992 death grows cold

How Siegfried Fischbacher and Roy Horn rose to fame, survived the tiger accident and changed Las Vegas forever.

Daughter of Kansas woman who went missing found alive 15 years later; John Robinson, the conman; John Robinson goes to trial for three murders in Kansas

Dan Markel and Wendi Adelson's marriage falls apart in Florida; FBI tries to get more information on Markel's murder; Where Dan Markel murder case stands today

Dorothy Stratten's life and promising career are cut short when her estranged husband kills her.

Payton Leutner speaks out for the first time after two friends stabbed her and left her for dead in the woods of Waukesha, Wis., to prove themselves to a fictitious character known as "Slender Man."

A man is convicted of killing his 8-month-pregnant wife; a tip points to another suspect.

John Lennon's close friends and colleagues provide insight into his life and lasting legacy; radio reporters talk about the last interview John Lennon did with them the day he died.

James Dailey, who is on death row for the 1985 murder of Shelly Boggio, said Paul Skalnik's lies helped convict him. One of the prosecutors in the case says Dailey received "an appropriate sentence."

A killer terrorizes idyllic California neighborhoods in the 1970s and 1980s, evading authorities as he lives among his victims for over four decades.

A deep dive into the disappearance of wife and mother Susan Powell and the stunning twist involving her two young sons at the hands of her husband Josh Powell.

An investigative "20/20" by ABC News and Louisville's Courier Journal takes a deep dive into the evidence in the Breonna Taylor case and searches for answers from the night that claimed her life.

On the heels of Boeing 737 MAX's recent clearance to fly again, Bob Woodruff reports on the aircraft's controversial flight control software and how it mistakenly sent planes into deadly nosedives.

Uncovering the dark past of greed and murder-for-hire in the male exotic dance troupe Chippendales.

Joe Bryan, a former principal in Clifton, Texas, was convicted of murdering his wife Mickey Bryan in 1985, a crime he maintains he didn't commit. Was it connected to another murder in the small town?

The first wife of a “Jekyll and Hyde” Manhattan plastic surgeon mysteriously disappears. More than 30 years later, Robert Bierenbaum confesses to her murder.

Why the Petito case went viral and the outcry for the same attention to be applied to the cold cases of others, especially people of color and indigenous women.

Before serial killer Keith Hunter Jesperson, known by his nickname "Happy Face Killer," turned himself in in 1995, authorities believed Laverne Pavlinac and her boyfriend murdered his first victim.

Julie Rea was in prison for her 10-year-old son's murder until a "20/20" viewer helped crack open the case, leading to a serial killer confessing to the crime. One of his attack survivors speaks out.

For three decades, Leo Schofield has been serving life in prison since his wife’s brutal stabbing. The “20/20” season 45 premiere poses the question: is Leo in prison for the crime of another man?

Never-before-seen police tapes from inside the Sherri Papini case.

A workplace romance turns fatal for a Baton Rouge teacher-of-the-year mom. Could a three-year-old eyewitness help crack the case?

New details about the case of 17-year-old Brittanee Drexel, whose disappearance while on spring break stumped police for years.

An international search for a California man suspected in his wife's murder takes a shocking twist.

Video evidence leads police to learn the shocking identity of a former Arkansas senator’s killer.

An illicit love triangle, a wife with a double life, and one big lie lead to murder.

When an inmate and corrections officer vanish, authorities question whether it's a kidnapping or a forbidden romance.

When a boy is kidnapped riding a bike, parents, police and a blogger work to bring him home.

When a woman vanishes, police uncover her husband's dark past; the missing woman's own past comes under scrutiny.

A young woman's mysterious disappearance and the search-and-rescue operation that led police to a barn full of dark secrets.

After a young couple is murdered, their true identities lead to a shocking twist about their missing baby.

A secret romance in a remote Alaskan town leads to murder. Police body camera footage reveals clues for a multi-state hunt for the killer.

When a young nursing student disappears, her family, police and a woman with a prophetic vision launch an urgent search, but it's a set of keys that unlocks the answers. The episode highlights the lack of media coverage given to missing cases involving Black women, a disparity that Tameka's story aimed to address.

Jealousy leads to murder and detectives discover the killer was closer than they imagined

When a young mother disappears, authorities dive for clues and answers in a muddy creek.

The episode delves into the details of the crime, the investigation, and the subsequent trials. It also explores the brothers' childhood, their relationship with their parents, and the factors that may have led them to commit such a heinous act.

A flower delivery turns deadly, when a young woman is fatally shot at her front door.

Who would want to kill Kristil Krug, a mom of three kids? Follow the clues in a race against time to catch a deadly stalker.

In 2010, Joseph and Summer McStay and their two young sons vanished from their Fallbrook, California, home. For nearly four years, the family’s fate remained unknown—until a grim discovery in the Mojave Desert turned the missing persons case into a homicide investigation.