record. barrelling right now toward one of the most popular pacific resorts puerto vallarta in mexico. patricia is a monstrous category 5 storm packing sustained winds of 200 miles an hour. officials are warning the storm surge alone could be catastrophic. and patricia also could dump as much as 20 inches of rain triggering flash floods as far away as texas. and there's more breaking news. a disturbing revelation by the fbi director who now says the vast majority of the 900 investigations into suspected home grown violent extremists here in the united states are isis-related. and now we've also learned that the son of a well-known hollywood director has joined terrorist forces. i'll speak with the ranking member of the house foreign affairs committee, congressman eliot engel standing by. we'll also get into the other top stories with our correspondents, analysts and our guests. but let's get straight to puerto vallarta right now.