Watch American Monster

This true crime series looks at the criminal careers and backstories of notorious American killers. Like most true crime series, it depends on re-enactments, archival footage and interviews with participants in the various investigations.

Sunday 9:00 PM et/pt on Investigation Discovery
3 Seasons, 28 Episodes
June 1, 2016
Crime, Documentary
7.8/10
Cast: Tom Streithorst
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American Monster Full Episode Guide

  • A fun-loving couple cultivates close relationships with their grown daughters, then the mother is bludgeoned to death in her home; no one suspects that the unthinkable could be true, but video doesn't lie, unlike guilty people.

  • Coming home from church, a local preacher finds his wife brutally stabbed and beaten, the apparent victim of a home invasion. His alibi is sound, as are their two grown sons. However, several details just don't add up. The truth shocks everyone.

  • An obsessive video blogger and mother of five shares every detail of her rollercoaster life with her husband and their children online. But one night, intruders tie her up and kidnap her husband and execute him. It seems someone has been keeping secrets.

  • A father-of-two disappears right before starting a new job; his wife has no idea where he went, while his friends hint that he led a secret, sordid life; the man's disappearance remains a mystery for years until a tip reveals the jaw-dropping truth.

  • At a family-run construction company, brothers and cousins work hard together - and play even harder. But when one of them vanishes, no one has answers. The mystery of his disappearance - and the salacious betrayal behind it - isn't solved for 20 years.

  • In Oklahoma, Dr. John Hamilton and his wife Susan are the envy of all: successful, respected and very much in love - until a vicious Valentine's Day murder destroys their lives. Never-before-seen home videos shed light on a brutal murder no one saw coming

  • Home videos show U.S. Air Force Sgt. Nathan Paet and his family living a blissfully normal life, then blind greed brings about the destruction of this loving family.

  • The Laffertys are pillars of the Mormon community, and known as a flawless example of wholesome family values, as seen in these never-before-aired home videos. But an evil is lurking that - decades later - will explode into an unholy double homicide.

  • Never-before-seen home movies reveal the fabulous lifestyle of Lanny and Donna Horwitz raising their only son Radley in their Florida mansion. But when their lives are upended by a ghastly shooting, everyone in this eccentric family becomes a suspect.

  • In Ogden, Utah, Stephen and Becky Vargas appear to have it all. Behind the picture perfect life seen in these rare home videos, jealousy and control issues are abound. But no one thought their marriage would end - in murder.

  • When Sherri Dally mysteriously vanishes from her Ventura home, her husband Michael and best friend Debbie head up a massive search. But someone knows more than they're saying. Never-before-aired home videos trace a tale of sordid secrets and double lives.

  • In suburban California, an intruder brutally attacks and kills Joan Dawley. As the Dawley family grieves, it's up to LAPD detectives to crack the case. Secret home movies uncover a shocking tale of deceit, and a monster lurking behind the scenes.

  • Kevin and Joanne Dowling like to capture their children's milestones on videotape, then Kevin is accused of gunning down a woman in a nearby town, and his fate hangs on his video camera.

  • After Ohioan Richard Beasley vanishes, police discover that an online monster has been luring local men to their deaths.

  • Manling Williams returns home to find her young sons murdered and her sword collector husband, Neal, stabbed to death.

  • While Ron and Cynthia Phillips and their four children try to adjust to life in a remote Colorado town, home videos mask dark impulses within the Phillips family, ones that will lead to deceit, infidelity and murder.

  • In Colorado, second-time spouses Harold and Toni Henthorn seem to dote on their young daughter and each other, then their idyllic life is shattered by a hiking accident; the couple's home videos conceal a deadly predator who nearly escapes justice.

  • After a taping of their local-access TV show, Chrissy and Charlie Billis have a terrible accident, smashing their car into a tree; only one of them survives, but tapes from the couple's TV show suggest a sinister tale behind what really happened.

  • As seen in home videos, the Snyders are thrilled when their 34-year-old son, Mike, finally starts a family with his sweetheart, then Mike vanishes after being diagnosed with a terrible illness, and his horrific fate comes to light only years later.

  • In Anniston, Ala., the townspeople grieve after Frank Hilley is struck down by a mysterious sickness, then his daughter falls ill, and the family becomes suspicious; home movies tell a shocking tale of murder and reveal the identity of a monster.

  • In Ohio, Jack and Linda Myers are shot to death in their sleep, and the only eye witness is their sleepy 4-year-old grandson; now, family members speak about what happened that night and share home movies revealing a monster living in their midst.

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