With Let Him Go now playing in theaters, I recently had the opportunity to talk with writer-director Thomas Bezucha about making the fiery thriller. Based on the novel of the same name by Larry Watson, Let Him Go follows a retired sheriff named George Blackledge (Kevin Costner) and his wife Margaret (Diane Lane) who set out to rescue their young grandson from the clutches of a dangerous family living off the grid in the Dakotas, headed by matriarch Blanche Weboy (Lesley Manville). When they discover the Weboys have no intention of letting the child go, George and Margaret are …