Law & Order: Criminal Intent (2001)

S2E1 Dead

The slaying of a funeral director and the unearthing of bodies at a cremation facility directs the detectives' attention to a seemingly ordinary family man. He presents himself as a consultant but is suspected of moonlighting as a meticulous contract assassin. Goren devises a plan to expose him, creating a scenario that tests the man's intense anxiety about errors and imperfections.