Police spokesman Steve Martos says offers responding to a report of gunfire around 5:30 p.m. Friday discovered 50-year-old Hector Holguin, who suffered at least gunshot wound.
Holguin was transported to a hospital but he did not survive his injuries.
According to investigators, witnesses described two black males fleeing the scene in a white SUV.
Police say they are still trying to determine a motive.
They ask anyone with information to contact the Phoenix Police Department.