>> one last question. how did abaaoud elude authorities. according to what you've seen he runs back and forth to syria. did he have phony passports? he wasn't running around on his own name, was he? >> this is the big question, this is what security services have to figure out in france and throughout europe. there have been lots of different reports, none of them confirmed yet that he had been spotted in different countries at different times. we understand he was in syria. we believes that was 20134, 2014, he may have come back to europe around 2014, but we don't have the exact timeline of his travel yet. this is something that the interior minister brought up today when he was talking, confirming abaaoud's death. you know, we need some sort of concerted effort europewide to share intelligence and share