Dre tricks Grimace into using his phone so he can contact his daughter. However the second BG text to his phone he is shot in the head.
Spanky contact Tommy and he believes that BG was the traitor since he hasn’t seen him. Spanky then reveals Grimace is dead having been killed by Dre. His death is subsequently avenged when Spanky and 2-Bit corner and burn Dre alive.