(Mesquite, TX) — The son of former Cowboys lineman Erik Williams is under arrest in North Texas for capital murder. Mesquite police say Cassius Williams was involved in a deadly drug robbery which left two teens dead. A second suspect, Rozman Shannon, is also under arrest on capital murder charges. Police believe one of the men shot Dalton Prater and Jacob Hollett to death June 12th during the robbery. The suspects are being held on a million dollars bond each. Erik Williams won three Super Bowls with the Cowboys in the 90s, but his career took a downturn after a serious car crash in 1994.