 Complete the following phrase:  The trial, which government lawyers expected to last four days, lasted for two years, and resulted in 1955 in an acquittal of Gruenwald and a statement from the judge that Kastner had sold his soul to the devil. The basis of the allegation and the judges statement was that Kastner had collaborated with SS officer , and later Adolf Eichmann, by betraying the Hungarian Jewish masses in return for the rescue of a few hundred Jewish VIPs. The judge also condemned Kastner because after the war, he had given a positive affidavit on behalf of another SS officer, Kurt Becher, which convinced the 