Jihadi John unmasked as computing graduate from Queen 's Park , London . Mohammed Emwazi , 26 , is believed to have fled to Syria in 2012 . Featured in ISIS video of the murder of David Haines in September 2012 . Mr Haines ' widow wants British ##nes to seek reward for information . She said : ' A British bounty killings have been put on his head at the time ' Dragana has said she is sure some of his associates would sell him . Mrs Haines previously said she wants husband 's executioner caught alive . She wants Emwazi to ' face justice ' for brutal murders he has carried out .
Jihadi John unmasked as computing graduate from Queen 's Park , London . Mohammed Emwazi , 26 , is believed to have travelled to Syria in 2012 . Featured in ISIS video of the murder of David Haines in September 2014 . Mr Haines ' widow wants British government to offer reward for information . She said : ' A British bounty should have been put on his head at the time ' Dragana Haines said she is sure some of his associates would sell him . Mrs Haines previously said she wants husband 's executioner caught alive . She wants Emwazi to 'face justice ' for brutal murders he has carried out .