CNN The Situation Room July 23, 2015 22:04:00
An example of isis supporters in the u.s. one of the shooters, elton simpson simpson, was communicateing an line with isis recruiting hussein. a job of identifying would-be terrorists made more complicated by the terror group's use of encryption that scrambles communication online making it invisible to law enforcement. >> then they'll move them to an encrypted mobile messaging app where they go dark to us. we can, with court authority, get access to the twitter contacts. but we don't have the ability to break strong encryption. >> reporter: wolf another threat that comey has been talking abou...
Source: archive.org