yet could it be , by any chance , that you chose the aforementioned bicyclist because you knew that on that specific morning he was particularly irritable , ungainly and heavy-eyed , just as you knew that the intermediary was a susceptible and easily-manipulated individual , and that their exposure to the newly-arisen circumstances you had imposed on them could produce only one , highly tragic result tragic not only for the subject but also for all those whom you had placed under your influence ?