Complex sentence: The plaintiffs had sought triple damages under the U.S. Racketeer Influenced and Corrupt Organizations Act on grounds that sending invoices and statements with fraudulently concealed fees constituted mail and wire fraud sufficient to allege racketeering.
Split into simpler sentences: The plaintiffs had sought triple damages under the U.S. Racketeer Influenced and Corrupt Organizations Act. The lawsuit said sending invoices and statements with the fraudulently concealed fees constituted mail and wire fraud sufficient to allege racketeering.