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officials and discovered that Casavubu and Mobutu had decided to fly to Thysville to put down the mutiny. COS attempted to convince them not to go together. They did succeed in putting down the mutiny.

COS did not learn that Lumumba was to be moved to Katanga until after it happened. COS said his discussions with Mobutu about Mobutu's intentions for Lumumba left COS with the impression that Lumumba might be executed.

COS said that Jack Hasey was the Acting Base Chief in Elizabethville, and was succeeded by David Whipple, who became Base Chief in Katanga. COS also said that Ambassador Clare H. Timberlake worked closely with COS, but they never discussed with him the general question of assassination.

TESTIMONY UNDER ALIAS

At the outset of the interview, the Committee staff agreed to honor COS's request to testify under alias. COS, who is still in private enterprise in Zaire, said he would be in personal danger there if he were linked to this story. He said, "They might make me take the big high jump. I've been on the 'zap list' before."

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