8chan, this message board to which investigators say the el paso shooter posted this manifesto as it's being called, has been dropped by the host site, cloudflair, is that necessarily good news for investigators looking for potential threats? >> well, victor, as we find with all crime, it's almost like a sense of playing whack a mole where wherever law enforcement focuses, the bad guys always take the path of least resistance and they always move to another platform. this is great news that that platform is basically being shut down but it does not mean that they will not find another media platform from which to share this hateful rhetoric. for all of us, it's a matter of resources. how do you monitor all of these