We received a call late in the evening from two hikers who had hiked out from the Galiuro Mountains, AZ, stating that their companion was hypothermic and had been left behind...

...we found the body of the victim - frozen stiff by the side of the trail where his companions had left him. No sign of any attempt at assistance (tent erected, fire built, etc). When he became distressed, his companions stopped, turned around, and departed ...