Outside Los Angeles, sword collector Neal Williams is the house-husband while his wife Manling keeps the family afloat. It's a tough but happy life, as their home videos attest, until Manling returns home to find her family slaughtered -- at sword point.

Alene and George Jenkins are the perfect couple living a perfect life. Their desire for children leads them to adopt a son and a daughter to complete their family. But it triggers a dark spiral ending in an unspeakable crime.

When Frank Hilley is struck down by a mysterious sickness, the entire town of Anniston, AL grieves. But when his daughter also falls seriously ill, the family becomes suspicious. Vintage home movies trace a shocking tale of murder—revealing a monster.

Family and faith have always been important to Richard Beasley, as their home videos show. Which is why it's so scary when one day — the Ohio man vanishes. Especially after police discover that an online monster has been luring local men to their deaths.

In Hudson, WI, Charlene and Darrell Wold seem to be living a blissful existence with their blended family. They do all they can to keep their household safe and secure, but they never imagined the real danger would come from within.

Growing up outside Chicago, the Simonian sisters are thick as thieves, even after they leave the nest to start new lives of their own. Then, when the youngest sets off to pursue her master's degree, a horrific crime tears the whole family apart.

Divorced dad-of-three, Daniel Halseth, lives for visitations with his kids. When his teenage daughter Sierra claims that she wants to live with her dad, Daniel finds himself drawn into a web of lies and a plot that ends with a deadly fire.

Heavily pregnant Colorado native Shanna Vandewege supports her husband Craig’s plan to move to Texas for work. The birth of a baby makes up for Shanna’s separation from family, but someone is about to exploit her isolation as an outlet for their rage.

Vincent Taylor is stuck in a controlling relationship with his Jekyll and Hyde wife. After a violent knife attack results in Vincent’s death, his wife claims she was the victim of an abusive relationship. However, Vincent’s phone will reveal the truth.

In rural Ohio, an intruder brutally guns down Jack and Linda Myers in their sleep. The only witness is their sleepy 4-year-old grandson. But their extensive home movies — aired here for the first time — may have captured a monster lurking in their midst.

Young parents Adrienne and James Magee work hard to provide a stable life for their three small children in rural Louisiana. But beneath the idyllic scenes lurks a dark secret, culminating in a heinous double-murder at the hands of a loved-one.

Sandy Miles and her daughter Tracie are as close as can be. But when Tracie vanishes and Sandy is found brutally murdered, the truth behind the killing is more horrific than investigators can possibly imagine.

When single mom Michelle Chaffin finds love, it seems like the perfect case of opposites attract. But when Michelle vanishes without a trace, police uncover a terrible jealousy revealed through a shocking confession that leaves her family reeling.

Diana Lovejoy and husband Greg Mulvihill live happily in southern California. But when accusations rock the marriage and a mysterious phone call ends with an attempted murder, police uncover the shocking truth behind this once dream couple.

Joy and Fred are typical high school sweethearts until a tragic work accident changes the course of their lives forever. As Joy tries to find a second shot at love, her past will refuse to let her go and sets in motion a heartbreaking tragedy.

In the suburbs of Houston, TX, Stephanie Kirkpatrick is a gifted stage performer and much-loved special needs teacher with the world at her feet. However, behind closed doors, resentment and envy fester in her marriage, leading to a shocking 911 call.

Father of three, Ramon Sosa, builds a successful boxing gym in Texas, coaching a slew of hotshot young fighters. When sultry Maria “Lulu” Dorantes dances into Ramon’s life, he feels like the luckiest man alive -- until someone marks him for murder.

Mystery shrouds the Iraqi community in Michigan when Ammar Al-Yasari, a devoted husband and father of two, is found hacked to death in his home. As the search for his killer intensifies, investigators unravel a web of digital clues that reveal an evil conspiracy.

David Sumney Sr. and his wife, Margaret, devote their lives to spoiling their only son, David. However, everything comes at a price, and when his parents divorce, David Jr.'s anger escalates, resulting in the deadliest of sins.

When a good-looking, successful businessman meets an aspiring actress, she appears to be the perfect match. But the honeymoon doesn't last long. The relationship takes a turn... a deadly turn.

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.

The Holton family lives a perfect life, until a shocking murder exposes a dark secret. In a two-hour special, American Monster confronts a terrible choice. If both suspects are your own blood, how do you decide who's a killer?

Carol-Ann and James Sharp seem like a match made in heaven, but behind the veneer hides a monster in plain sight. Loved ones close to the couple sit down for the first time on camera to make sense of a murder that none of them saw coming.

Doug and Rose fall in love and get married; however, lies and deceit surface behind their seemingly perfect facade as seen on home videos. Then, a no-show at Thanksgiving and a box on the side of the road lead to a shocking discovery.

After their beautiful wedding, Amanda and John Grazioli embarked on a fairytale life. But just six months later a 911 call will bring the police to a crime scene and a shocking discovery that unmasks a web of lies and a cold-hearted killer's double life.