she made a posting on social media declaring her allegiance. leading investigators down the path this was an isis-inspired attack. they're saying inspiration at this point. they do not have direction, but inspiration. we were told this is looking more and more like self-radicalization. other officials tell us they have not ruled out -- via social media forums, jihadi websites, et cetera. also this, because we've had a lot of discussion about this, kate and john, as you know, about what contributed in terms of extremism as well as the possibility of workplace grievances. to be clear, investigators are looking at whether disputes or offense taken at the shooter's