FILE- In this March 22, 2017 file photo, the Houses of Parliament attacker Khalid Masood is treated by emergency services in London. Masood, the British man who killed several people in a rampage in London last week made had three trips to Saudi Arabia in his lifetime. Though millions of foreigners from around the world live and work in the kingdom, Masood’s time there immediately raised questions about whether the country’s ultraconservative brand of Islam impacted his worldview. (Stefan Rousseau/PA via AP, File).
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