O.J. Simpson's murder trial spawned a series of shocking moments, from the defendant trying on a bloody glove in court to ...

Following a wealthy man's brutal murder, a potential string of suspects is revealed.

Investigators notice that Jimmy Allan has a to-the-minute story for what he was up to when his wife, Amy, died.

Did stress in Jimmy and Amy Allan's relationship lead to her death?

Lanny Horwitz is found brutally shot to death in his home. Was his death a suicide or something much more sinister?

While David Temple initially cooperates with police, he quickly becomes agitated.

Amy Allan dies under mysterious circumstances, but what really happened to her?

Find out why Pennsylvania dental office owner Lawrence "Larry" Rudolph killed wife Bianca Rudolph on a safari trip and about ...

Find out how investigators tied Donthe Lucas to the murder of Kelsie Schelling, who was carrying his baby and just had the ...

See the trailer for the sophomore season of Prosecuting Evil with Kelly Siegler, premiering on Oxygen Jan. 25 at 8 p.m.

Find out more about the investigation into the death of Bette Lucas, who was found dead in her Tyler, Texas home in 1988 ...

Learn more about the circumstances surrounding the death of West Virginia's Dr. Ebb “Doc” Whitley Jr., as told in Oxygen's Accident, Suicide, or Murder.