Police arrested the alleged shooter on Thursday afternoon but are not releasing his name because he was 17 at the time and has been charged as a juvenile.
The suspect is facing charges in the murders of 19-year-old Taron Williams and 13-year-old Todd Mitchell.
Police say on Dec. 5, Williams and Mitchell were found by a home on Woodland Avenue with multiple gunshot wounds.
Both were taken to AtlantiCare Regional Medical Center where they were later pronounced dead.
The 18-year-old suspect faces murder, robbery and weapons charges. He remains in a juvenile detention center pending a hearing.
