Tuesday afternoon police identified the suspected shooter in Monday's brawl who shot and killed a Delaware Valley Charter High School sophomore.
By Tuesday evening he turned himself in to police.
Darian Person, 19, from the 1900 block of Rowan Street, allegedly fired multiple shots during a large brawl at 5500 Old York Road. One of those shots struck and killed an innocent 15-year-old bystander.
The fight, police said, started among a group of high school girls and escalated to a brawl among about 20 teenaged boys around 4 p.m. Monday.
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The Nicetown resident, who dropped out of the school a few years ago, was brought to the fight as "muscle," Homicide Capt. James Clark said. And when the fighting escalated, Person allegedly drew his weapon.
Aisha Abdur-Rhaman, who was a block away, caught a bullet to her back.
Abdur-Rhaman, who Clark described as "sweet and very bright," died shortly after she was taken to Albert Einstein Medical Center.
A 19-year-old man was also shot in the chest and thigh and remains in critical condition at Einstein.
Follow Tommy Rowan on Twitter: @tommyrowan