Law & Order: Criminal Intent: Season 6, Episode 6

6 - 6: Masquerade

A former beauty queen whose daughter, Amberleigh was found murdered on Halloween night 1992, is thrown back into the public eye when a pedophile in exile confesses to her murder. Detectives Goren and Eames aren't convinced it's that easy and re-question the mother, who was originally accused of the crime, as well as her informative, best-selling author neighbor, Nate Royce.