Learn more about the many serial killers who terrorized the state of California, including the Zodiac Killer, Night Stalker, and Golden State Killer.

A Plan to Kill is a new true crime show coming to Oxygen. Learn more about the series, watch the trailer, find out the premiere date, and more here.

Learn more about the investigation into the Sunset Strip murders and the eventual arrest of Doug Clark and Carol Bundy.

When a killer has had months to plan their murder, you're playing chess against a master.

Find out more about the investigation into the Bouncing Ball Killer, who killed at least seven women from 1959 to 1960 in Los ...

Investigators search around the Parker residence and find that the bullets fired into the home were shot from a high-powered ...

What happened to Kate MacArthur? Learn how Mary Orsini arranged her murder over an imaginary romance with her lawyer, Bill ...

Learn more about what happened to college art student Katelyn Markham, who mysteriously vanished in 2011 from her Fairfield, ...

The murders of many women over three decades led authorities to suspect multiple serial killers were involved.

Learn more about the life and crimes of the Dating Game Killer Rodney Alcala, who is known for the attempted murder of 8-year ...

In Season 10, Episode 32 of Dateline: Secrets Uncovered, Keith Morrison looked back at the shocking trial that saw Erik and ...

Scott Swilley finds his wife, Tara Parker Swilley, shot to death in their bed.