In Sacramento, Calif., law enforcement officials arrest a suspect in the Golden State Killer case, bringing an end to the serial murderer's reign of terror.

Orange County, California, screams of terror ring out from the home of multi-millionaires. Police are left with a series of clues that take them on a chase to find a wealthy couple's killer and bring justice to the five children left orphaned.

Shock sweeps through a Washington community when a suburban mother gets arrested for a murder from a decade earlier in Alaska; details of a seedy and sordid past emerge.

In 1980, Tim Hack and Kelly Drew go missing from a small Wisconsin town, then their bodies are found in a field; a woman comes forward nearly 40 years later to help solve the so-called "Sweetheart Murders'' of Hack and Drew.

In 1984, the body of a 14-year-old girl turns up on the beach in San Diego and police think it relates to the murder of another teen; a clue yields an unbelievable suspect.

After a young couple goes missing, detectives find a clue leading them to a strange storage container in the middle of 95 acres, and what's inside unlocks the secrets of a monster hiding in plain sight.

A premiere fishing boat explodes into flames just off shore, stunning the small fishing town of Craig, Alaska; after fighting the flames, state troopers discover the remains of a young family and few clues as to could have set the ship blaze.

A premiere fishing boat explodes into flames just off shore, stunning the small fishing town of Craig, Alaska; after fighting the flames, state troopers discover the remains of a young family and few clues as to could have set the ship blaze.

Sherri Rasmussen and John Ruetten are enjoying newlywed life until one morning when Sherri calls into work sick; that night, John returns home to find his wife murdered

One summer night in 2007 comes as a nightmare for the Petit family when woken up by two strangers in their quiet, peaceful home of Cheshire, Conn. Suddenly this family of four finds themselves held hostage and in a fight for their lives.

When a young family suddenly vanishes from their Southern California dream home, friends and family are left with dozens of unanswered questions. Authorities suspect they fled the country, until an unlikely source uncovers the truth.

A young couple enjoys an impromptu camping trip in Leadore, Idaho, until their 2-year-old son suddenly vanishes. Investigators and private detectives work around the clock to find the missing boy, only to point the finger back at the parents.

In the 1970s a serial rapist is on the loose in northern California. And just as his reign of terror over the community wanes, police discover he isn't just a serial rapist, he's a serial murderer and he's been killing people all over California.