The Tucson Police Department has made multiple arrests in connection to a homicide investigation from Sunday morning.
TPD says just before 2 a.m. officers patrolling in the area of 28th and Sahuara heard sounds of gunshots.
Officers then circulated the area to determine where the sounds were coming from. They were advised of a shooting incident being reported in the area.
As officers arrived to the location where the incident happened they located a juvenile teenage male lying in the roadway with obvious signs of gunshot trauma.
The victim was pronounced dead at the scene.
Detectives from TPD's Homicide Unit responded to the scene to continue the investigation.
The victim has been identified as 15-year-old Johnathon Schmedding.
Detectives were able to determine that Schmedding along with Julian Schmedding, Roy Lee Brown and Jesse King attempted to rob four individuals walking down the street in a nearby residential neighborhood near 28th Street and Van Buren.
Johnathon, Brown and King ran towards the individuals as Brown pulled out a handgun.
Detectives say Brown fired several rounds at the four individuals, who ran away from them.
Johnathon was struck and killed by one of the rounds that was fired.
Police say afterwards Julian Schmedding and King attempted to dispose of the weapon and return to the scene with Brown.
Before they returned to the scene, officers made contact with Julian Schmedding, Brown and King and located the handgun along with multiple pieces of evidence that were going to be used in robberies.
Police say 25-year-old Roy Lee Brown and 19-year-old Julian Schmedding were booked into the Pima County Jail on charges of First Degree Murder, four counts of Attempted Armed Robbery, four counts of Aggravated Robbery, Tampering with Evidence and Prohibited Possessor.
21-year-old Jesse King was booked into Pima County Jail on charges of First Degree Murder, four counts of Attempted Armed Robbery, four counts of Aggravated Robbery and Tampering with Evidence.