Season 3 Preview: "Trader Trent's" following on Facebook Marketplace opened up a range of possibilities for detectives.

Alex Sowa, Jim Sowa's son, tearfully recalls finding his father's body.

Preview: It is quickly discovered that Carmela Knight died from blunt-force trauma before being badly burned in a house fire.

Preview: Carmela Knight, a "suburban hockey mom", was found dead after a house fire surrounded by drug paraphernalia. What happened?

Friends and family tearfully recall the night that led to Carmela Knight's death.

Walker's frantic 911 call, firefighters on the scene recognize Lt. William Walker, a fellow firefighter.

Learn more about the new three-part Oxygen special Lady of the Dunes: Hunting the Cape Cod Killer, premiering Friday, ...

Learn more about murder victim Scott Sessions and the shocking circumstances that followed when authorities tracked suspects Heather Frank and Kevin Eastman.

Learn more about how medical examiners determine the manner of death ahead of the Season 5 return of Oxygen's Accident, ...

The brutal murder of a popular hairdresser in Cleveland leaves police stunned and desperate for answers. An unexpected break comes when a routine traffic stop in a neighboring county uncovers a ...

When a former Penn State professor mysteriously goes missing, police uncover clues to his untimely demise. The investigation ...

“As they’re looking at his home, the client saw blood coming out from under the garage door,” said true crime podcaster C.J. Johnson on A Plan To Kill, airing Sundays at 7/6c on Oxygen. “And that ...