A Smithville couple faces kidnapping charges after they allegedly abducted an 81-year-old Warren County man at knife-point and made him withdraw money from his bank account.The suspects, Amanda Maxwell, 29, and Charles Wayne Reagan, 31, are both charged with aggravated kidnapping and theft. Maxwell faces an additional count of aggravated assault. They remain in DeKalb County Jail awaiting hearing.According to DeKalb County authorities, the incident happened last week when Maxwell, who was an acquaintance of the victim, called him at his house in Warren County and asked him to come to DeKalb County to talk to her.