"Masterpiece" is the eighth episode of Season Four and the 73rd overall of Criminal Minds.
When a narcissistic psychopath confesses he has killed seven people and more will die, the team must locate his latest victims before it is too late.
- David Rossi: "Let us consider that we are all insane. It will explain us to each other. It will unriddle many riddles." – Mark Twain
- David Rossi: "Man must evolve for all human conflict a method which rejects revenge, aggression, and retaliation. The foundation of such a method is love." – Martin Luther King, Jr.