felon and go out and buy that same gun off the back of someone's truck perfectly legally. they understand the same facts that we do, but they're unwilling to speak out. they're unwilling to risk an angry tweet. they're unwilling to risk the ire, not even of the nra members, but the nra leadership. getting a bad grade from the nra. i don't know how to describe that other than a contagion of cowardice. i don't know why they're there, faced with thee tragedies if they're unwilling to do something about it when they know what's right. >> i want to ask you about this as a former prosecutor yourself. what changes in law other than gun regulation, other than banning assault weapons, as california's senior senator was able to do during the 1990s. dianne feinstein got that pushed through. what about in prosecutions of cases like this? >> well, i think we should think about having a domestic terrorism statute that parallels the statute basically that bars international terror, the kind that we're used to thinking about in terms of isis or al qaeda-inspired terror.