The Predator Hunters And Hunted 38

"Tomlin was back up and aiming at the creature again. Hill stepped in closer and threw a smoke grenade at the damned thing just to confuse it. The creature ignored the smoke. Whatever that helmet did, it must have given it a clean view and enabled it to breathe. Various reports had stated that the alien hunters could see in the infrared spectrum, and maybe even in other spectrums as well. Even so, he'd hoped the smoke might distract it a bit."pg.124 chpt.12