“Whoa, look at that one!” Harold pointed.
One of the zombies was moving faster than the others. Where they shuffled, it was stumbling along at almost a normal pace.
“They’re changing!” I said, my voice gone panicky.
“No. It’s just a statistical anomaly.”
“Well,” he said, in that college boy tone that annoyed me so much, “That zombie’s just the fast edge of the bell curve. Like, a few zombies are really slow? Even for a zombie? This one’s just really fast. For a zombie.” He fired and it went down.
“Someone oughta do a study,” he grinned.