It all sounded straightforward-making allowances for the basically devious nature of shadowruns. But something nagged at Sam. Something about the delivery system of the disruptive bioagent. He ran Sally’s words over in his head. Why not simply spread the agent around? The runners could have been given an antidote beforehand. Why combine it with cleaning fluid? Simply to delay implementation? A tailored time-decay capsule could do that effectively enough. Why cleaning fluid, or was that important at all? Somewhere deep in his brain a synapse fired and a memory awoke.