Oswaldo Gutierrez knew. He was almost finished with med school at Penn, and he’d seen Rob plenty over the last few years, as Rob would loop through Philadelphia after visits to the Raymond brothers in Browns Mills. For the most part, these visits were easy. Together for a night, they could smoke and chill and just talk, complaining some, commiserating, thinking out loud. But as 2009 began, Oswaldo noticed a circular aspect to Rob’s speech and manners, a narrowing of vision in a man who, in college, had been more curious and knowledgeable than seemingly any of the five thousand Yale
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