As officers began their investigation, they learned that an SUV fled the scene shortly after the shooting. A description of the SUV was obtained and broadcast over the radio. Responding officers eventually located the SUV in the 8600 block of East Old Spanish Trail. The SUV was occupied by three individuals who were quickly detained and identified as 19-year-old Eduardo Carranza, 18-year-old Francisco Morales and a 17-year-old juvenile. It was determined Allen and the individuals in the SUV had gang affiliations, prompting the Tucson Police Gang Unit to respond and take over the investigation.