cleaning up tahrir square following days of protests over that anti-muslim film. police rounded up hundreds of protesters today and they will send dozens to court. back here in the u.s., federal officials are questioning one of the men behind the film that sparked all the rage. police escorted nakoula ba celery nakoula from his home overnight. they want to know if he violated his probation. mike taibbe is live in los angeles. good day to you. beyond nakoula who are the others involved in this film and do we know their whereabouts? we don t know their whereabouts at the moment but we know that nakoula is one of only at least three key figures who are linked at this moment to the making of this video. nakoula himself told associated press he was in charge of logistics. although he s also the person who the day when everything exploded was telling people his name was sam bacile, that he raised the money from jewish donors, all turned out to be