Mostly, though, what allowed the men of the snowshoe party to pull out the knives and what allowed both the men and the women to eat was likely something beyond an instinct for self-preservation and something well short of madness. All of them—except possibly Luis and Salvador, about them we just don’t know—had someone back at the lake camp whom they loved, someone who was depending on them to get through and send help. Their own survival meant more to them than simply continuing to live. It meant hope for those they had left behind.

