among them the group got to syria, two of the group were killed in the fighting there. then some of them came back, they were held under protective custody, including the brother. the youngest, 23-year-old, was, in fact, not spotted by police when he came back. he didn't come back. he planned his attack if france. he said he wanted to attack the people in france and came in and committed along with two other terrorists the attack on the bataclan theater. so, in fact, authorities were always worried about this scenario, the idea french young people would pass under the radar, they have passports, they speak with a perfect accent. they are basically, the authorities can't spot them when they come in and they were able to come in with weapons and perpetrate the kind of attacks we saw november 13. it is really one of the worst nightmare scenarios for authorities. >> the united states passed a