Showing Dark Rivers of the Heart by Dean Koontz

A man and a woman: each of them secretive; both of them loners. A chance meeting in a bar and suddenly they are - first separately and then together - fleeing the long arm of a clandestine, illegal and increasingly powerful agency; the woman hunted for the information she holds, the man sought because he finds himself obsessed with helping her. Leading the pursuit is an agent possessed of an uncommon madness and cruelty as he strives to make a perfect world. With access to the government's electronic information banks, surveillance systems and futuristic weapons, he is virtually unstoppable - the brazen face of an insidiously fascistic future. But the man and the woman are emboldened by their dark experiences to fight recklessly for survival - their own and each other's...