The last time anyone saw Kathleen Flynn alive -- September 23, 1986 -- she was walking home from Ponus Ridge Middle School in Norwalk, Connecticut. When she didn't arrive home at the usual time, her mother, Esther, called the police and frantically searched the route back to Kathleen's school. Early the next morning, a search party made up of police officers and neighborhood volunteers found Kathleen's body not more than 100 feet from a path near the school, the way Kathleen