[Warning: Potentially Triggering Content] A cause of death has been determined for the college student found dead after a tailgate - and after her mother accused the police of mishandling the investigation! If you haven't been following this heartbreaking case, 19-year-old Texas A&M student Brianna Aguilera was found dead early on Saturday, November 29, hours after attending a tailgate. Her mother, Stephanie Rodriguez, called the police after she failed to get in contact with her daughter on Friday night.