According to Phoenix Police, officers responded to 91st and Campbell Avenues just before 4 p.m. on May 20 and found 41-year-old Hector Antillon Acosta who had been shot.
He was taken to a hospital where he later died.
"As the investigation continued, Detectives developed probable cause to arrest a man, later identified as Robert Segobia," Sgt. Vincent Cole said. "Mr. Segobia was contacted and taken into custody."
Segobia was booked into jail.