proving he was killed in one of yesterday's raid, the raid in saint-denis outside the city. there is concerned about the so-called eighth terrorist who's still out on the loose. the man known to have been involved in friday night's attack, and a potential ninth who may have been seen with him. that arrest warrant coming out of brussels. we'll have more on that later. let's go back to carol costello in new york. >> all right, thanks, anderson. back here on american soil, new york city officials are send a firm message to terrorists, we will not be intimidated. that pushback after isis unveil aid new video threatening another attack. we have made the decision not to show you that video, because, frankly, that's exactly what isis wants. with me to talk about this threat in new york and how authorities are dealing with, it cnn's morris sanchez live from times square. good morning.