Austin Robert Drummond, 28, faces charges in the deaths last month of James Matthew Wilson, 21; Adriana Williams, 20; Cortney Rose, 38; and Braydon Williams, 15.

TBI names Austin Drummond as an armed and dangerous suspect, who remains at large, in connection with the July 29 Tiptonville quadruple homicide

A third person was arrested for accessory after a quadruple homicide in Tiptonville, Tennessee, with the prime suspect, Austin Drummond, still at large.