 You know, that is the big question here. And unfortunately, no, there is nothing that would answer the question of why he did this. The FBI and Secret Service officials say that when investigators searched Crook's home, they didn't find anything there that pointed to a political ideology. And that's unusual in this case or unusual in a case like this. That is, they said normally they would expect to find some sort of marker of political thinking in a domestic terrorism case.