This level of violence has to stop,” Shapiro wrote in the New York Times, a phrase he’s repeated after the arson attack on the governor's residence and other political violence in the state.

"The devastation was shocking, and to me, it did not appear to be an accident," he wrote of the moment the Harrisburg Bureau of Fire chief took him back inside the building. "The damage was too extreme. It looked like a bomb had gone off in the middle of our home."