what i did know was that he was likely to be the one behind the theft of supplies bound for valley forge , which of course was making matters worse for the poor souls camped there ; that he had forsaken the goals of the order in favour of personal gain ; and that he needed to be stopped-a task i 'd taken upon myself , starting in the vicinity of valley forge and riding through the freezing , snow-covered philadelphia wilds until i came to the church where benjamin had made camp .