Like that, they often turn to the behavioral scientists, the folks at what we call bau, the behavioral sciences unit, to try to assist in guiding them toward if not specific people, populations of people that they should consider as possibly being individuals or groups of people that are -- that would be -- could be involved in that sort of activity. it is truly a dark science, not something that i ever did when i was in the bureau. but i have great respect for the men and women who do that every day. i would expect that the same sort of assets are being utilized to try to figure out who was b...