(Fox Lake) A Scandinavia woman was charged Tuesday with mailing in an illegal substance into Fox Lake Correctional. Amber Testdorf is facing a felony count of Deliver Illegal Articles to an Inmate. According to the criminal complaint, prison staff recorded conversations of an inmate instructing Testdorf on how to conceal an illegal substance and mail it into the prison. In April, an envelope addressed to the inmate was intercepted that had Suboxone behind the stamp. When questioned by law enforcement, Testdorf at first denied the accusations but later allegedly admitted to her actions. If convicted, the 32-year-old faces three-and-a-half years in prison. An initial appearance is scheduled for September 14th.