Dead Eye

Court Gentry gets hit with a blast from the past in the fourth Gray Man novel from #1 New York Times bestselling author Mark Greaney.
 
When ex–CIA master assassin Court Gentry takes revenge upon a former employer who betrayed him, he exposes himself to something he’s never had to face before: A killer who is just like him.
 
Code-named Dead Eye, Russell Whitlock is a graduate of the same ultra-secret Autonomous Asset Program that trained and once controlled Gentry. But now, Whitlock is a free agent who has been directed to terminate his fellow student of death. And he knows the best way to do the job is to make Gentry run for his life—right up until the moment Dead Eye finally ends it…