John Jihadi

The man suspected of planning the Paris attacks is a well-known face of Islamic State

Prepare, protect, pursue, prevent - the four Ps of the UK’s ‘Contest’ strategy

Killing of the British citizen called a ‘barbaric murderer’ has been broadly welcomed

Death of UK terrorist believed responsible for gruesome beheadings not yet confirmed

21-year-old was deported to Birmingham after trying to cross illegally into Syria

Security services estimate 600 Britons have gone to Syria or Iraq to join militant groups

Former head teacher says she is horrified ‘hard-working boy’ now notorious IS killer

Spokesman for Sotloff family says they want him ‘sentenced and sent prison’

Londoner known ‘Jihadi John’ had been previously detained by British security services

Notorious figure in IS videos is reported to be a London-raised computer programmer

University of Westminster graduates attack policy of allowing controversial speakers

Michael Dos Santos (22) converted to Islam at age 17 and travelled to Syria last year