Kevin James Collier (6240)

8/21/2011: Police responded to a call of suspicious activity in a residential neighborhood, where they were told an adult male had entered a home with a gun and proceeded to set the house on fire. As police arrived, the suspect, 32-year-old Kevin Collier, opened fire from inside the burning home. Police found him dead in the home after the gunfight, and found the body of a 1-year-old girl in the suspected gunman's nearby truck, according to the Associated Press. Police believe the girl might be Collier's daughter, the report said. Collier is believed to have killed his daughter.

Annual death count for Arizona 

Location of death