Plywood covered broken windows on the three-story brick Georgian-style residence built in the 1960s that has been home to eight governors and their families. State troopers roused Shapiro and his family and evacuated them to escape the fire. Authorities say Balmer expressed hatred for Shapiro and say they are investigating whether religious or political bias could explain why. Police affidavits say Balmer was asked what he might have done had he encountered Shapiro while in the residence — and that he said he would have hit the governor with a sledgehammer. State police said Friday they hired a former state police commissioner, Jeffrey Miller, to conduct a security review.