A manager at Byrum Ace Hardware in Pinckney is facing embezzlement charges after police say she and her fiancé conspired to steal money and merchandise from the store. Mandy Herrst, 36, was charged on May 7 with using a computer to commit a crime, embezzlement by an agent or trustee and receiving and concealing stolen property. She was arraigned on those charges Friday. Her fiancé, Shane Cowan, faces one count of receiving and concealing stolen property. He is scheduled to be arraigned on May 26, according to court records. Marcus Wilcox, Herrst's attorney, declined to comment. No attorney is listed in court records for Cowan.