enforcement know this is exactly why it happened. in terms of destruction of cell phones and media, that could absolutely be to disguise others they've been communicating with so that if there are other plans in place or if there are others that they have been collaborating with at some point, people who might have supported them financially, supported them by supplying them guns and the like, they want to conceal those types of things. so, pledging support to isis on one hand provides them with the forum to demonstrate that isis is able to get here and have an impact on the united states, but the other side, breaking up those communication devices, those computers, et cetera, is really to conceal other allegiances. >> but shawn, what do you make of the fact that this pledge to isis was made on a private account? we've covered a number of terror stories, and usually there is an open proclamation on social media by isis, by al qaeda, and it's not hidden away, as it seems that this pledge was in