Season 3

In suburban California, an intruder attacks and kills 55-year-old Joan Dawley. As the Dawley family grieves, it falls to LAPD Detective Paul Tippin to crack the case. Home movies reveal a shocking tale of deceit.

When Sherri Dally mysteriously vanishes from a Ventura store parking lot, 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 Ogden, UT, Stephen and Becky Vargas appear to have it all; however, jealousy and control issues abound behind the picture-perfect life seen in their home videos, but no one suspects their marriage will end in murder.

Home movies reveal the fabulous lifestyle of Lanny and Donna Horwitz who are raising their son, Radley, in their Florida mansion. When their lives are upended by a ghastly shooting, everyone in this eccentric family becomes a suspect.

The Laffertys are pillars of the Mormon community, and they are known as an example of wholesome family values, as seen in home videos; however, an evil is lurking that will one day explode into an unholy double homicide.

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

Dr. John Hamilton and his wife, Susan, are 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.

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 the disappearance, and the salacious betrayal behind it, isn't solved for 20 years.

On the day before he's to start a new job, a father of two disappears with no warning. His wife has no idea where he went. His friends hint that he led a secret, sordid life. But it remains a mystery for years—until a tip reveals the jaw-dropping truth.

An obsessive video blogger shares every detail of her roller-coaster life with her husband and their children online. One night, intruders tie her up, kidnap her husband and execute him; it seems someone has been keeping secrets.

Coming home from church, a preacher finds his wife stabbed and beaten, the apparent victim of a home invasion. The preacher's alibi is rock solid, and his son's alibis are sound as well; however, several details don't add up, leading to the truth.

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.