Show DEMPSEY TRIAL U L COMES UP MONDAY Y Flo Floyd d T T. Jackson Salt Lake chief of ot the bureau of investigation of the United States department of justice will leave today for San Francisco where he has been summoned as a witness in the trial of ot William Harrison Jack Dempsey champion c heavyweight pugilist of Pf the world Dempsey is under indictment by the federal grand Jury at San Francisco charged with having conspired to evade the selective draft and to have sworn falsely to his claim for exemption Mr Jackson will be one of pf the principal witnesses at the trial which opens Monday Mon Mon- day He carried on the investigation In 1 Utah and Nevada which resulted in the seizure of the famous Dempsey letters which Maxine Dempsey the champions champion's former wife said Jack Dempsey had written her It It is said these letters If will convict Dempsey of the charges against him Mr Jackson said before leaving that he did not expect to take the stand for several days as he anticipated considerable considerable consid consid- erable trouble In securing a Jury |