According to the report, Liaqat Ali Khan said he would neither use his friendship with officials in Tehran for dishonest purposes nor interfere in personal affairs of Iran.
In addition, Khan also called on Washington to vacate air bases in Pakistan which the United States was using against the Soviet Union, upon which then-US President Harry S. Truman threatened the PM with dire consequences.
According to the documents, following these developments, the CIA began to search for an assassin to kill Khan. They could not find a suitable shooter in Pakistan and then turned to Afghanistan for this purpose.
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Tariq Khan shared a link.