german terror radar the past several months, arrested or detained a few times, monitored offering to commit attack in germany. and reportedly he was on the u.s. radar too, said to be on the no-fly terror list that officials said to have monitored him talking to islamists figures as well as checking out terror websites. now it is dark here now. in fact this market is closed. but earlier today we took a look at the market and talked to some people. here is what we saw. here is what we heard. >> it was here monday night that a place of joy was turned into a scene of terror. a truck weighingรง 25 tons came barrelling into this christmas market here in berlin, smashing into people, killing and injuring, hitting stalls, decorations, ending up there about 250 feet down the way. now three days later this market is open again, a sign of courage, a sign of defines.