She lay face-down on the porch step.

The temperature around her was 22 degrees below zero Fahrenheit.

The wind chill, if there was any wind at all, would have pushed the effective temperature lower still.

The porch offered some shelter from the worst of the wind, but it offered no warmth — wood and the night air were equally cold.

Inside the house, Wally Nelson was asleep, unaware that someone had collapsed on his front porch.

He had no reason to check outside.