Ariz. Rev. Stat. § 13-501
A. The county attorney shall bring a criminal prosecution against a juvenile in the same manner as an adult if the juvenile is fifteen, sixteen or seventeen years of age at the time the alleged offense is committed and the juvenile is accused of any of the following offenses:
B. Except as provided in subsection A of this section, the county attorney may bring a criminal prosecution against a juvenile in the same manner as an adult if the juvenile is at least fourteen years of age at the time the alleged offense is committed and the juvenile is accused of any of the following offenses:
H. For the purposes of this section:
4. "Other violent felony offense" means: