Blind Run

When his young son is murdered by a renegade assassin, who also threatens his unsuspecting wife, Ethan Decker, a former 'Hunter' who specialized in tracking down ruthless international fugitives for the U.S. government, goes into self-imposed exile, until Anna Kelsey, a former member of his team, enlists his aid to protect two innocent children who have become pawns in a deadly conspiracy. Reprint.