Quicksand by William P Wood

He's Brock Andrews: no-nonsense law enforcement agent whose hardball tactics have brought down California's toughest criminals. But its Brock's superior who has become his greatest adversary. her name, Alison Andrews, first assistant united states attorney and his wife! In public, Alison and Brock are at the pinnacle of their careers. Privately, thier marraige is on the rocks. and the tension between them has only worsened since Alison released Edward Nelson, an arms dealer Brock busted months ago. What Brock doesnt know is that Alison has recruited Nelson as an undercover operator to ensnare a ring of domestic terrorists. Nelson, a master manipulator skilled at deadly games, has a plot of his own-to turn Alison's secret operation inside out, unleash an army of heavily armed militiamen, and target washingtons high powered political areana for a terrorist act of unparalleled proportions. Now Nelson is once again on Brock's most wanted list. and each hour matters, as he sets a dramatic trap to capture him. And stop a terrifying attack on the heart of the nation. But first, Brock has to uncover the most dangerous truth of all one that lies deep in his own heart.