Find out more about the latest updates in the case of Erik and Lyle Menéndez, who received support from reality star Kim Kardashian.

Find out what happened to Kim Dorsey, who was found brutally bludgeoned and stabbed to death in her Florida bedroom by her firefighter husband, Derrick Dorsey.

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

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

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

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

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

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.

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

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 ...

Learn more about the investigation into the murder of Becky Bliefnick, who was shot 14 times in her Quincy, Illinois home.