 Bill is briefly shown in the first official "24" season 7 trailer with white hair, appearing to be working alongside Chloe O'Brian.Neither Bill nor Chloe appear in the first or second episodes of the seventh season, but appear starting in the third episode, working on their own, outside of official agencies, to reveal a conspiracy at the highest levels of the current administration.The seriousness of this threat has led him to be willing to let his men die in order to achieve their objectives.