Show AMERICAN SPY SUSPECTS SENT BACK TO PRISON PARIS March 29 WV P and Mr Mrs Ro Robert rt Gordon Switz Americans held on espionage charges made their monthly appearance in court Thursday to learn that their Imprisonment imprison Imprison- ment will be prolonged at le least t another an an- other month It was indicated that the couple will sta stay behind the bars of a French prison until they are arc brought to trial J if it for no other ocher reason than to escape I the vengeance of persons whom they arc are alleged by police to have caled as international spies |