CBS 58MUSKEGO, Wis. (CBS 58) — Two people are in custody after an armed robbery connected to a Facebook Marketplace sale in Muskego, police said. The Muskego Police Department responded shortly after 8:15 p.m. Sunday, Aug. 2, to a home near Thornapple Drive and Thornapple Court. Police said two male suspects had fled before officers arrived. A preliminary investigation found the suspects went to the home to purchase items arranged through Facebook Marketplace. Police said one shot was fired during the robbery before the suspects fled with the stolen items.