Tony Blair's sister-in-law Lauren Booth converts to Islam after a 'holy experience' in Iran October 24, 2010 by Fulcrum She decided to become a Muslim six weeks ago after visiting the shrine of Fatima al-Masumeh in the city of Qom. 'It was a Tuesday evening and I sat down and felt this shot of spiritual morphine, just absolute bliss and joy,' she told The Mail on Sunday. 24 October 2010. FulcrumShareTweetShare