Christmas warning: ISIS, al Qaeda not dead, 'elevated threat' of lone wolf attack

The terrorist networks of ISIS and al Qaeda are being dismantled but are far from dead, top officials are warning Wednesday, and the threat of a U.S. attack by a homegrown lone wolf has been elevated going into to Christmas.

“We assess there is currently an elevated threat of [homegrown] lone offender attacks by ISIS sympathizers, which is especially concerning because mobilized lone offenders present law enforcement with limited opportunities to detect and disrupt their plots,” according to Robin Taylor, acting deputy under secretary for intelligence operations at Homeland Security.