Joe Dziemianowicz

On Christmas Eve in 2013, Salvatore “Sal” Belvedere, 22, and Ilona Flint, 22, were found shot in their car in the parking lot of the Mission Valley Mall in San Diego. 

A 911 caller reported a suicide at a star athlete's home. But police uncovered a different story.

Cherie Gillson, a devoted Illinois single mom, was found dead in her bedroom by her 9-year-old son.

The murder of Audrey Giannotti was eventually solved after investigators took a second look at a vital clue.

Who murdered a prominent Alabama couple, the Springfords, on Thanksgiving? A multi-state investigation provided the answer.

Casey Anthony’s defense team lobbed some serious allegations against her father, George, during her controversial 2011 trial.

Weird accidents can happen — and sometimes they can be deadly.

It's not always clear what happened when someone dies. Those kind of unusual cases are featured in the Oxygen series "Accident, Suicide Or Murder."

Cell phone records helped police track down a killer who shot and stabbed a single mom, Yolanda Holmes, in her Chicago home.

Life and death situations are a daily part of the job when you’re a 911 dispatcher, as seen on "911 Crisis Center."