Eugene Riley (L), Silvanus Shannon (C) and Eugene Bailey (R) are each charged with the first degree murder of 16-year-old Derrion Albert. Not pictured is Eric Carson, 16.
The graphic footage shows the 16-year-old Albert being hit with boards, kicked and punched as he lay on a sidewalk. Albert was a student at Christian Fenger Academy High School.
A fourth teen has been charged as a juvenile with murder in Albert's death. His name has not been released.