Brandon Lee Ware, 18, and William McKinley Wheeler, 19, were charged in connection with the homicides of 4-year-old Samir Josiah Grubbs and 18-year-old Daviyon Shelmonson-Bey.

Joseph Robinson was working as a mentor at the detention center on July 2 at 6:30 p.m. when he allegedly gave the contraband to the youths, officials said.