After Miami handyman Glenn Rudge was accused of shoplifting an $8 set of drill bits at Home Depot, he thought he'd settled the matter when he showed his receipt to prosecutors and they dropped the charge.But a few weeks later, a law firm hired by Home Depot began sending him letters demanding first $3,000, then a total of $6,000, implying he'd be sued if he didn't pay it. In an escalating battle against theft, retailers are going after anyone suspected of shoplifting, turning over their names to lawyers and collection firms, who pursue the suspects for stiff penalties and split...