investigation. >> he is obviously an engineer. he just finished college. a smart guy. you would think he would be all over social media like everybody else his age and he wasn't. that's the sound of silence that they're investigating. good work. i want to go back to senator james risch who is joining us. what do you think of these latest developments? did he have four guns not two, not three but four. and a lot of ammunition clips. >> we haven't focused on the guns. he was a united states citizen. he had nothing in his back ground that would stop him from going out and purchasing asle guns as he wants. he was exercising his second amendment right. in regard. a lot of us own guns and that isn't what we're focused on. we're focused on the individual and how he got radicalized and i don't think there is any question that. bum he got radicalized. an interesting question it is more and more common, the sounds