Joe Dziemianowicz

When Raul Guillen vanished, investigators thought they were dealing with a missing persons case. They soon realized it was actually a gruesome and horrifying murder.

After two people, Tanya Rodriguez and James Carolfi, were found dead following a house fire, investigators made a surprise discovery.

The director of the Peacock documentary “Paul T. Goldman” found his subject “fascinating from the beginning.”

What happened to the men behind one of California’s most disturbing murder cases? Both Charles Ng and Leonard Lake had very different ends.

After Leonard Lake’s arrest and jailhouse suicide, police looked to his wife for answers. What did she tell them?

In “Manifesto of a Serial Killer," excerpts from Leonard Lake’s terrifying home videos and journal are shown.

Alabama and Florida urban legends are criminally creepy.

At a gruesome California serial murder scene, Leonard Lake left a record of his deadly rationale. He's not the only murderer to leave such a document behind. Why?

In the upcoming Oxygen special "Manifesto Of A Serial Killer," Leonard Lake and Charles Ng's disturbing crimes are examined.

DNA and police statements linked an ex-boyfriend with Sherri Papini, a woman who infamously faked her own kidnapping.