intelligence some of the evidence is perishable time sensitive. after you do all that you start analyzing what you ve got and you can come to some more definitive conclusions. we re hearing so much that there wasn t necessarily any indication that this young man had very violent tendencies. we re hearing that perhaps he went to a shoogt range. an uptick of visits to a shooting range. that doesn t prove any malice of intent. how do investigators weed out who is a potential threat and who is not? someone going to a shooting range is not necessarily right. at the end of the peopleday, people talk about eliminating this kind of threat. we can t eliminate it. we can minimize it as we did over the 4th of july. we saw numerous potential acts of terrorism thwarted by good law enforcement, good fbi and other law enforcement actions. at the end of the day it s not possible to totally predict and see every single one. we have a real danger in this