On July 7, authorities said officers found the body of Felix Alexandrew Pichardo, 18, after a fight escalated to gunfire.
Pichardo was taken to Banner-University Medical Center, where he later died, officials said.
The Arizona Daily Star reported police conducted interviews and used forensic evidence to determine Terrayne Newsome, 15, was the suspect in this murder, authorities said.
A warrant was obtained for Newsome’s arrest on July 8 and he was found at a home on July 9, police said.
Authorities said Newsome was booked into jail and charged with first-degree murder.