days. here s abc s brian ross. reporter: authorities tell abc news tonight that the attackers, seen in this video in the midst of their terror rampage, were led by a man known to police for years as a potential threat. we always ask ourselves should we have known and could this have been prevented. reporter: it was just last year that the ringleader butt was featured in a documentary aired on the british channel 4 about a group that openly campaigns for strict sharia law, here praying before the black flag of islam, and then getting into a confrontation with police. of the some 3,000 people authorities considered active threats, this group is among the most extreme. the members of this network which number probably around in the hundreds are on the more dangerous end of the spectrum. reporter: a second attacker was identified today as rachid redouane, of libyan or moroccan descent. both men come from this east
which looks like war in the streets today. hundred thens of rock-throwing protesters, clashing with police, firing tear gas and live rounds into the crowd. the demonstrators ransacked the u.s. embassy, breaking windows, looting telephones and computer, ripping down the american flag. they burned it and replaced it with the black flag of islam. they trashed a school next door and some were chanting obama, obama, we are all osamas. similar violence in sudan, after men said friday prayer, they charged a line of riot police and stormed the german embassy and set fires before they were dispersed. an elite marine rapid response team was flown n. marines are dispatched to yemen, where there was more anti-american ugliness and another flag torn and burned. anti-american chants. rox thrown, fires started and
of course, it s aimed at the you said. the administration s entire theory of the region is seem to have broken down completely. their belief was that the arab spring would bring sweetness and light and democracy and provide an alternative to terrorism. in fact, the arab spring has simply unleashed these radical forms of islam that we see being demonstrated in the streets all over the region. and manifested again in the terrorist assassination of our diplomats in libya. these are not separate. these are closely connected. greta: i mean, what we are seeing today, to say it s not against the united states, the black flag of islam is flying over the u.s. embass netunisia. this is this is violence directed at the united states. the postcolonial wave of arab nationalism, which was secular, socialist and anti-american, has been replaced by another wave of
middle-east. we have heard of hundreds injured and several killed, including three in tunisia, which looks like war in the streets today. hundred thens of rock-throwing protesters, clashing with police, firing tear gas and live rounds into the crowd. the demonstrators ransacked the u.s. embassy, breaking windows, looting telephones and computer, ripping down the american flag. they burned it and replaced it with the black flag of islam. they trashed a school next door and some were chanting obama, obama, we are all osamas. similar violence in sudan, after men said friday prayer, they charged a line of riot police and stormed the german embassy and set fires before they were dispersed. an elite marine rapid response team was flown n. marines are dispatched to yemen, where there was more anti-american ugliness and another flag torn and
middle-east. we have heard of hundreds injured and several killed, including three in tunisia, which looks like war in the streets today. hundred thens of rock-throwing protesters, clashing with police, firing tear gas and live rounds into the crowd. the demonstrators ransacked the u.s. embassy, breaking windows, looting telephones and computer, ripping down the american flag. they burned it and replaced it with the black flag of islam. obama,shed a school next door obama, we are all osamas. similar violence in sudan, after men said friday prayer, they charged a line of riot police and stormed the german embassy and set fires before they were dispersed. an elite marine rapid response team was flown n. marines are dispatched to yemen, where there was more anti-american ugliness and another flag torn and