Joe Dziemianowicz

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. 

A Florida murder case led detectives 2,500 miles away to Idaho.

It took years for Barbara Winn's family to get answers after she died from a gunshot wound.

A lead in the case came from an unlikely source: one of the suspected serial killers, Sean Vincent Gillis. In an interview with investigators, he dropped a bombshell revelation.

Leonila Stickey had just found out she was pregnant by a man who likely wasn't her fiancé when she was killed in a hunting accident.