Dark Harvest by David Thompson

Bodies quickly fill the morgues on both sides of the Detroit River following multiple attacks against this vital international border. Mustafa Suleyman, a man hunted by every law enforcement agency in the West, appears to have arrived on America’s shores.
A war-room at the FBI’s head office in Washington is quickly established. Bradley Parsons, the head of Counterterrorism, is now in charge. He knows Mustafa Suleyman’s capabilities better than most. He has tracked him for years, and while he prays for the best, he quickly prepares for the worst. But nothing can prepare Bradley for the call that he receives from a highly unlikely source. A call that changes everything.