It was known in 2004 that A.Q. Khan, Pakistan's nuclear scientist, who is wanted by the International Atomic Energy Agency (IAEA), Vienna, for interrogation in connection with his nuclear proliferation to North Korea, Iran and Libya, had left a letter with his wife Henny of Dutch origin and their daughter giving some details of his proliferation activities with the knowledge, if not prior approval, of the political and military leadership. The reported purpose of the letter was to tell his people that whatever he did, he did at the instance of the political and military leadership of the country and that he was not acting as a rogue proliferator as was sought to be made out by the leadership of the country.