(Des Moines, IA) -- Des Moines Police are releasing the names of two teens who died after a shooting yesterday (Monday). Police say 18-year-old Gionni Dameron and 16-year-old Rashad Carr, both of Des Moines died at the hospital. William Holmes, also known as Will Keeps, who founded the non-profit organization where the shooting happened, is hospitalized in serious condition. He is expected to recover. Police say the shooting was gang-related.
Eighteen-year-old Preston Walls of Des Moines has been arrested and charged with the following:
• Murder – 1st Degree (two counts)
• Attempted Murder
• Criminal Gang Participation
Police say Walls and took a 9 mm handgun with an extended ammunition magazine to the non-profit organization Starts Right Here, and entered a common area where all three victims were located.
Holmes, the organizations administrator, attempted to escort Walls from the area, but Walls pulled away and pulled out the handgun and began to shoot both teenage victims.
Holmes was standing nearby and was also shot.
Police say Walls then ran away, but patrol officers saw a suspicious vehicle leaving the area of the shooting. A traffic stop was conducted and Walls ran but was found a short time later and taken into custody. Police say the gun was found nearby.
The ammunition magazine in the handgun has a capacity of 31 rounds, and contained three. Additional evidence indicates that Walls cut off a court-ordered GPS ankle monitor, a supervised pre-trial release condition following a weapons charge, approximately 16 minutes prior to the shooting. Walls, and both deceased victims, are known gang members, belonging to opposing gangs, and evidence indicates that that these crimes were committed as a result of an ongoing gang dispute.