Crime Stories With Nancy Grace

Mercedes Vega is seen on video at 9:15 p.m. leaving her apartment complex in Tempe, Arizona. In the video Vega is seen walking with her face looking down as if she was on Facetime. Mercedes Vegas is texting multiple people on the night of April 16. And looking at those messages as a whole, she is either going to meet friends for Sushi, meet other friends at "Dave&Busters,"  or, as she indicates in another text, go to work. In one of her text messages Mercedes Vega says, "I just feel weird, like maybe I shouldn't go anywhere."  In the early morning hours of April 17, the Harquahala Fire Department responds to a report of a burning car on the “north hand shoulder” of the I-10 highway, west of Tonopah, Arizona. Firefighters find a 2018 Chevrolet Malibu on fire. Once the fire is put out, a deceased human body is found in the rear passenger seat.  At 1:15 a.m.  Maricopa County Sheriff's deputies are called to a scene to assist the Arizona Department of Public Safety on a death investigation.  Investigators tal