The case on Laks’s back, she explained, turned out to contain a small cylinder of Cobalt-60 dust wrapped around an explosive charge. Just enough to have rendered the Pina2bo gun unusable, if everything had gone according to plan. T.R. would have been forced to fill the hole with concrete. Instead of which, a small area on the surface, near the head frame, had been contaminated and would have to be buried and capped before anyone could go near the place.