so he was known to local officials, but again that doesn t mean he s going to go and do some violent act. you know, that s the greatest challenge. you can have the best database in the world, you can have the best statistics in the word but to actually predict when someone will do a violent act this random, at a train station without any warning it s so incredibly difficult. to think that we could as a society track these individuals everyone who s got a violent criminal past and just in case they might do something is just not realistic. we don t have the resources and from a frankly that s not allowed in the law. we talk about preventative detention. these bills are hard to get through because of all the civil rights of individuals. one of the numbers we re watching, southern poverty law center and the islamic or the council on the islamic law organization, they blame this rise on the rhetoric coming out of washington, d.c. so how do you put this all together? so if you take