BANGOR, Maine (AP) — A former Maine kindergarten teacher who admits producing child pornography involving four children in his class is going to prison for 16 years.Forty-one-year-old Rob Mocarsky was arrested in January after a parent complained he made one of his pupils dress up in a French maid's costume and then took photos of her. Police say a search of his school and computers revealed he took sexually explicit photographs of four of his pupils.Mocarsky taught in Jackman, a town of about 800 residents in the western part of the state.He pleaded guilty in June to producing child pornography. He was sentenced Tuesday in U.S. District Court in Bangor.