Emwazi smoked cannabis and dressed like a gangster rapper at school . ISIS executioner has been unmasked as Londoner Mohammed Jihadi John . He had an obsessive crush on classmate Ahlam Ajjot , 27 , and 'stalked her ' She has spoken of horror that world 's most wanted terrorist lusted after her . He was part of a gang and was violent towards boys at London school . Jihadi John was tracked down after using his student number on a laptop . He downloaded free software using details from University of Westminster .
Jihadi John smoked cannabis and dressed like a gangster rapper at school . ISIS executioner has been unmasked as Londoner Mohammed Emwazi . He had an obsessive crush on classmate Ahlam Ajjot , 27 , and 'stalked her ' She has spoken of horror that world 's most wanted terrorist lusted after her . He was part of a gang and was violent towards boys at London school . Emwazi was tracked down after using his student number on a laptop . He downloaded free software using details from University of Westminster .