Books like Shadow of the Templar: High Fidelity

A fellow FBI agent with an old grudge picks Simon as the instrument of his revenge. And he knows the hidden truth behind one of Simon's closest-kept secrets...or does he. On the other side of the world, two steps ahead of a ruthless, implacable foe accidentally set on his trail by Simon, Jeremy Archer is running for his life...or is he. Now Simon finds himself torn between his job and his responsibilities, forced to make the ultimate choice, and no matter what he decides, he'll lose something important...or will he Fidelity, Bravery, Integrity...or Jeremy. The fourth and final novel in the Shadow of the Templar series.