SARATOGA SPRINGS - An imprisoned con man who brought down a Schenectady cop amid allegations of fraud now faces up to 5 years in prison for admitting that he stole $10,000 in a scheme involving the purchase of horses at Saratoga Raceway, according to authorities and lawyers.Earlier this week, Anthony Aubin, 28, of Clifton Park pleaded guilty before Saratoga County Court Judge James A.