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Like that of Burgess and her husband, Mrs. MacLean's trail seemed to lead in the direction of the Iron Curtain and then grow cold. The MacLeans could have gone by train to Vienna and there slipped over into Russian territory. A passenger on a train from Lausanne was certain he had seen them. A ticket taker was equally sure he had not. "Anything," said Geneva's police chief, "is possible."
* "I wish," a high U.S. official told a reporter last week, "that I could tell you about the information Burgess and MacLean had access to. It would make your hair curl."