Overview

• Investigators say 65-year-old Amalio Castillo-Villareal was found dead behind a bus stop near Avenida del Yaqui and Calle Guadalupe on Sept. 11 at 11:45 p.m.
• The Maricopa County Sheriff's Office reported injuries consistent with stab wounds and opened a homicide investigation.
• Detectives identified 36-year-old Roman Rubalcava as the suspect and arrested him on Oct. 7 with assistance from detective and tactical units.
• Rubalcava was booked into jail on an accusation of first-degree murder in connection with Castillo-Villareal’s death.
• Authorities released few additional details, and a booking photo was not immediately available as the investigation continues.