It denies charges, threatens legal action; says US short-seller visited its office incognito He went on to describe an extraordinarily secretive visit that Mr Block had made to Olam's office on Nov 1 along with representatives of a hedge fund. "He impersonated somebody else. When we pushed him, he didn't give us a card - he said he didn't carry a card. He said he was an investor of the hedge fund that came to us, and that as an investor he made a practice of knowing what the hedge fund was investing in."