With crowds of people looking for males between 20 to 40, not muslims, i don't mean middle eastern but looking for behavior. we are profiling behavior. white knuckling of the bag, tunnel vision, moving towards a direction fixated, another thing is somebody trying to avoid the check point, stay away from security, whose back doesn't match clothing, extremely doesn't match the clothing, wires protruding, wires that may be protruding from the bag, the smell of gasoline. these are terror indicators, this doesn't mean he is a terrorist or she is a terrorist, you want to cluster the system, two or t...