people in the van that fled? >> well, this could be again, like the isis attacks that are no different. it's people that are angry and want to hurt innocent people. this could be something like that where it was a small group or cell that decided that they wanted to act and there may not be any larger group, however, you are going to look at the person you have in custody and the police do monitor groups whether they are extreme left wing or extreme righting and they will have information on this person if they are affiliated with a racist group and they will be able to determine then whether they are potentially at least looking at a larger operation. >> cnn contributor steve moore. many thanks to you. no doubt we'll come back to you in the minutes and hours ahead. many thanks. let's recap the breaking