stiffened and strained desperately at their restraints before collapsing like rag dolls, hanging from their posts by tethered hands. Within five minutes, all were dead. Next to him, the German lowered his binoculars and spoke. “Very efficient. But what of residual evidence?” “None,” Ishii said. “Unlike earlier agents, the gas causes no burning or scarring. Victims appear to have died of natural causes, as you’ll see during the autopsies. Of course, the enemy will know you’ve used gas, but proving it is a different matter. We’ve used the gas extensively here in China against both military and
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