Lock the Door Behind You

May 13, 2022

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20/20 - S45 - E23

Never-before-broadcast video gives insight into the mind of serial killer Henry Louis Wallace, who confessed to 11 murders from 1990-1994, and his only surviving victim speaks in his first interview.

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20/20: Season 45 - 26 Episode s

45x1 - Chippendales Murder
October 8, 2021
Uncovering the dark past of greed and murder-for-hire in the male exotic dance troupe Chippendales.
45x2 - The Principal's Wife
October 15, 2021
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?
45x3 - Do No Harm
October 22, 2021
The first wife of a “Jekyll and Hyde” Manhattan plastic surgeon mysteriously disappears. More than 30 years later, Robert Bierenbaum confesses to her murder.
45x4 - Life Online: The Last Days of Gabby Petito
October 29, 2021
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.
45x5 - Sincerely, the Happy Face Killer
November 5, 2021
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.
45x6 - Goodnight, Mother
November 12, 2021
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.
45x7 - Escape From A House Of Horror
November 19, 2021
13 children were held captive by their parents in a survival story like you’ve never seen. Now, hear from the family for the first time.
45x8 - Nowhere To Run: The Ahmaud Arbery Story
November 26, 2021
Friends and family of Armaud Arbery reflect on his life and his mother's quest to find truth and justice, after he was tragically killed; documenting the aftermath of Arbery's killing, featuring interviews with the attorneys involved in the case;
45x9 - The Deadly Take
December 10, 2021
A look into the events leading up to the deadly shooting on the set of "Rust" and the pending investigations into what when wrong;
45x10 - I Now Pronounce You Dead
January 7, 2022
After a woman was found dead, authorities uncovered an elaborate web of lies surrounding James Addie, spun to conceal his biggest secret of all – he was living a double life.
45x11 - Fall of the House of Murdaugh
January 14, 2022
A new “20/20” documents the latest details in the developing story on the Murdaugh family murders, the alleged financial crimes of Alex Murdaugh and other unusual events surrounding the family.
45x12 - Adam…& Evil
January 21, 2022
Lori Vallow’s brother Adam Cox sits down for the first TV network interview about the tragic family events that led up to the murders of his sister’s two children.
45x13 - Gone at Dawn
January 28, 2022
For over 26 years, authorities tried to locate Jodi Huisentruit, a 27-year-old anchorwoman who vanished in Mason City, Iowa. Now “20/20” explores surprising new leads in the case.
45x14 - You've Got Jail
February 11, 2022
Michigan mother of three Sharee Miller sat in the center of a complicated love triangle. She used sex, deception and the internet to pit her lover, Jerry Cassaday against her husband Bruce Miller.
45x15 - Home Sweet Murder
February 25, 2022
An exclusive prison interview with Diane Staudte, the mother behind a sinister plot to poison her husband and two children.
45x16 - The Dropout: The Rise and Con of Elizabeth Holmes
March 4, 2022
ABC News reports on the latest chapter in the downfall of Elizabeth Holmes and her blood-testing company Theranos, once valued at billion.
45x17 - The Cult Next Door: The Mystery and Madness of Heaven's Gate
March 11, 2022
Diane Sawyer decodes the mysteries behind the Heaven’s Gate cult, including an exclusive interview with Rio DiAngelo, a member who left the group.
45x18 - The Devil You Know
March 18, 2022
Two months after his death, a new “20/20” reports on Robert Durst, the fugitive multimillionaire New York real estate heir and his shocking trial that led to a murder conviction.
45x19 - Dead Man Talking
March 25, 2022
The first network interview with Wendi Mae Davidson from prison, where she is serving a 25-year sentence for her husband’s murder.
45x20 - Hell in Heels
April 1, 2022
For the first time in 20 years, Haylei Jordan speaks out to “20/20” and reveals insight into her mother’s troubled past, including her allegedly volatile relationship with Larry McNabney.
45x21 - Words to Die By
April 8, 2022
Can text messages sent from miles away lead to time behind bars? “20/20” reports on the unprecedented suicide texting case that landed Michelle Carter in prison.
45x22 - Gone Before the Storm
May 6, 2022
Anthony Harris speaks with ABC News’ 20/20 more than 20 years after he was released from prison for a crime he didn’t commit, the murder of his neighbor Devan Dunvier. Her killer is still wanted.
45x23 - Lock the Door Behind You
May 13, 2022
Never-before-broadcast video gives insight into the mind of serial killer Henry Louis Wallace, who confessed to 11 murders from 1990-1994, and his only surviving victim speaks in his first interview.
45x24 - Double Life, Double Murder
May 20, 2022
A couple is murdered inside their home. Could the killer be trying to hide a secret double life?
45x25 - Laura Lee Day
June 3, 2022
An exclusive interview with Laura Day, nearly a decade after her first-degree capital murder conviction for her 6-year-old stepson’s death.
45x26 - The Last Hunt
September 17, 2022
Two go on safari, one returns; an exclusive interview with a man who says he heard a shocking confession.

45x1 - Chippendales Murder

45x2 - The Principal's Wife

45x3 - Do No Harm

45x4 - Life Online: The Last Days of Gabby Petito

45x5 - Sincerely, the Happy Face Killer

45x6 - Goodnight, Mother

45x7 - Escape From A House Of Horror

45x8 - Nowhere To Run: The Ahmaud Arbery Story

45x9 - The Deadly Take

45x10 - I Now Pronounce You Dead

45x11 - Fall of the House of Murdaugh

45x12 - Adam…& Evil

45x13 - Gone at Dawn

45x14 - You've Got Jail

45x15 - Home Sweet Murder

45x16 - The Dropout: The Rise and Con of Elizabeth Holmes

45x17 - The Cult Next Door: The Mystery and Madness of Heaven's Gate

45x18 - The Devil You Know

45x19 - Dead Man Talking

45x20 - Hell in Heels

45x21 - Words to Die By

45x22 - Gone Before the Storm

45x23 - Lock the Door Behind You

45x24 - Double Life, Double Murder

45x25 - Laura Lee Day

45x26 - The Last Hunt

S0: Specials

S1: Season 1

S2: Season 2

S8: Season 8

S25: Season 25

S26: Season 26

S28: Season 28

S29: Season 29

S30: Season 30

S31: Season 31

S32: Season 32

S33: Season 33

S34: Season 34

S35: Season 35

S36: Season 36

S38: 20/20

S39: Season 39

S40: Season 40

S41: Season 41

S42: Season 42

S43: Season 43

S44: Season 44

S45: Season 45

S46: Season 46

S47: Season 47

S48: Season 48