When asked if he thought Iran's nuclear program could be successfully monitored, he replied that he was more worried about the handling of intelligence, "because there is as much disinformation as there is information. There was a book published by Gareth Porter in the U.S. some time ago about the whole Iranian affair, and, well, he certainly maintains that much of the evidence that was given to the IAEA was really cooked, was not authentic. And I wouldn't be at all surprised."[11] According to the publisher of Porter's book, shortly after it was published, Blix wrote: "I feel grateful to Gareth Porter for his intrusive and critical examination of intelligence material passed to the IAEA."[12] Alluding to the assassinations of Iranian nuclear scientists, he added: "When security organizations do not shy away from assassinating nuclear scientists we can take it for certain that they do not for a moment hesitate to circulate false evidence."[12][13]