Anonymous Declares War On ISIS After Paris Attacks
The group uploaded videos in multiple languages, including English and Italian, in which it vowed to "neutralize" the perpetrators of Friday's attacks.
Yes, they can. They're very adept at shutting down communication systems, and digging up information that is damaging, like names and locations. They can do all this using whatever means they have at their collective disposal, without warrants or laws to get in their way.
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