The 9 season of Law & Order: Criminal Intent was broadcast on USA Network from mardi 30 mars 2010 to mardi 6 juillet 2010. It consists of 16 episodes, the first one is called "Loyalty (1)" and the last one "Three-in-One".
Law & Order: Criminal Intent takes viewers into the minds of its criminals while following the psychological approaches the Major Case Squad uses to solve the crimes.