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After his return to the Congo, probably in early September, COS received a cable from Headquarters that said, in his words, "someone I would recognize would appear to give me instructions for a mission I would carry out." Soon thereafter Sidney Gottlieb arrived in the Congo to meet with COS. COS recognized Gottlieb from the Technical Services Division at the CIA, and it was made clear that Gottlieb was the messenger referred to in the cable.

Gottlieb and COS met in COS's new apartment. COS dated this meeting by the fact that he had moved into this apartment in early September, 1960. COS said that Gottlieb informed him that lethal biological agents had been developed for the assassination of Lumumba. COS believes that Gottlieb brought a poison virus and probably two other lethal biological agents with him in his bag. But COS said it was possible that the biological weapons arrived shortly thereafter. COS said that Gottlieb also provided rubber gloves, a gauze mask, and probably a hypodermic syringe -- equipment for administering the poisonous substances. The poisonous substances were to be injected into food, drink, toothpaste, or anything else that Lumumba might ingest. COS did not remember the appearance of the biological agents themselves, but he did recall that there were approximately three different types of lethal substances provided to him.

COS said that he was "taken aback" by Gottlieb's assignment to him of the assassination of Lumumba. COS said that he was a junior Chief of Station, and he wanted to make sure to "pin down" the chain of authority for this assignment because "I had never

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