Thatcher Davis is the Lieutenant of the Mandela County Police Department. Mandela, along with surrounding counties has been dealing with alternates, immortal creatures that mimic humans and cause others to commit suicide. Thatcher had a friend, Sargeant Ruth Weaver, who died to an alternate. Thatcher blames himself for her death because he was at the house she died at. He ran away and left her alone. He is very aggressive when meeting others at first. He doesn't want others in a depressing pit.