 Mischel claimed he never completed his training but the way the loan was structured through Key Bank, the banking institution already paid Silver State the full amount in 10 months.In a June 2006 lawsuit filed in the U.S. District Court in San Diego, 21 plaintiffs claimed Airola often made promises he didn't keep.The plaintiffs are asking for refunds of their tuition, which range from $50,000 to $75,000 per student.