Predator Cold War 12

He wasn't invisible, though, and the monster usually was; how could he hope to find it? She stared into thedarkness, trying to see.

Schaefer didn't worry about finding the creature; he knew where to look. Those creatures didn't just kill and move on; they liked to play with their prey even after it was dead. All he had to do was watch the corpses...There. Even in the dim arctic gloom he could see the faint rippling in the air above one of the dying Russians. Most people would have missed it entirely, or dismissed it as some sort of optical illusion, but Schaefer knew what to look for, and he had good eyes.-pg.438 chpt.26