Hill rubs at his brow. His aura shows that he’s somewhat more disturbed than before."Excuse me if I fail to grasp all the intricacies of this," he says."But let me point out that, as you know, some of the materials we buy originate with, well ... unusual sources. Some of the people and corps we buy from are only in business long enough to market a limited quantity of a particular substance, then they move on to other things."