the priority finding out if amri mhas a network of supporters. at the train station, i see at least three security cameras making it possible that anis amri s final moments were caught on camera. dara? hans nichols from milan. chris dicky, foreign editor for the daily beast and msnbc contributor. great to have you here. the attacker was on the radar of local german authorities and known to the u.s. intelligence officials. even listed on the no-fly list. seems inexplicable that he slipped through the cracks. so much so that he was able to undertake the attack. is it inexplicable? it s explicable but doesn t make you feel better to explain it. they started monitoring him in march. they were listening to his phone conversations in germany. they heard him talking about plotting an attack. but when they went to get a warrant to follow him and to pursue him over the months of