A Navarre woman accused of having sex with a 15-year-old boy last fall plead guilty to all three charges filed against her.On May 26, Sheila Langman, 38, was sentenced to 4 years in prison followed by 11 years probation for interfering with custody by taking or kidnapping a minor, contributing to the delinquency of a minor and lewd and lascivious battery/fondling a victim between 12-and 15-years-old.“The (sentencing) is not pursuant to a plea agreement,” said James Parker, supervisor for the Santa Rosa County State Attorney’s office. “She plead to the court.”The investigation into Langman began Oct. 10, 2008 after a complaint was filed with the Department of Children and Families. The complaint alleged inappropriate activity between the child and the woman, who was identified Langman. The teenager and Langman were both interviewed by sheriff’s office investigators, who were able to determine that Langman had been sexually involved on multiple occasions with the teenager between July and September 2008. Langman was also a board member of the Navarre Youth Sports Association.