idea where the guys planning these attacks on the u.s. are right now? >> they do not have a handle on that at the moment. there were four individuals picked up in these communication streams discussing aspirational plots to hit various cities including chicago in the united states. swiss authorities, european intelligence services don't have a good handle where they are and don't have a good handle where that van driver was, either, all where swiss national is and six individuals suspected to be connected back to isis and syria perhaps back on european soil and all of that obviously feeding into concerns in the wake of the paris attacks, anderson. >> part of the intelligence behind this came from the u.s.? >> yeah, a u.s. intelligence tip about these aspirational plans, which was one of the key things which led to this security alert in geneva and the security at the airport, warning for jewish