FORT LAUDERDALE, Fla. - A group of secured creditors in the Chapter 11 bankruptcy of Casa Casuarina LLC, the former mansion of designer Gianni Versace, on Aug. 19 filed a brief objection to a proof of claim of more than $4.92 million filed by the liquidating trustee in the related bankruptcy of the former law firm Rothstein Rosenfeldt Adler (RRA) (In Re: Casa Casuarina LLC, No. 13-25645, Chapter 11, S.D. Fla. Bkcy.).