article_snippet: Former spy chief Sir John, who was head of MI6 from 2009 to 2014, yesterday hit back at claims that security services played a role in the radicalisation of British jihadist Mohammed Emwazi.
article_snippet: Asim Qureshi, research director of Cage, claims Emwazi, who was nicknamed Jihadi John, was interrogated by MI5 and subjected to security agency harassment before becoming a militant.
article_snippet: But Sir John  said arguments that harassment drove Emwazi to join IS were 'very specious'. '
article_snippet: The idea that somehow being spoken to by a member of MI5 is a radicalising act, I think this is very false and very transparent,' Sir John   told BBC Radio 4's Today programme.