. >> because there were >> >> amy kellogg is live in our london bureau where she has been falling --ollowing all the details about this. what are we learning this morning? >> we also have reports that the head and the body may not belong to the same person. the sheer horror for the people at the fraryct is -- factory is absolutely unimaginable. we want to know why air products, an american company, was targeted. it would have security around it being a chemical plan, was it targeted because it was american, was it targeted because the owner or the ceo is said to be of iranian descent or was it just a target of opportunity for these possibly two attackers which we now believe and reportedly facilitated with isis or some other terrorist organization. apparently the one man who has been detain was known to police and that is another frightening prospect for the french people because as we saw with the "charlie hebdo" attacks back in january, one of those at least had been known to police, and so who are these people and how are they slipping through the france france has stepped up its