The New Destroyer : Dead Reckoning

Remo Williams and his mentor, Chiun, embark on a perilous mission to stop a walking bioweapon, Mustafa Mohammed, a young guinea pig with a special genetic mutation that allows him to carry--but not succumb to--a lethal virus that he plans to unleash on an American city, at the behest of his own master, a second Master of Sinanju. Original.