article_snippet.sent: Jihadi John and other ISIS extremists are building a network of 'misfits' around the world who can carry out 'chaotic' terror attacks with little planning, a senior police officer has warned.
article_snippet.sent: Assistant Commissioner Mark Rowley, head of specialist operations at the Metropolitan Police, said ISIS is trying to 'pick up' potential fighters among 'the vulnerable, people with violent backgrounds, very young people and those with mental health issues'.
article_snippet.sent: Jihadi John is being used to recruit a network of 'misfits' around the world, made up of the 'very young, violent and mentally ill', a senior police officer has warned .
article_snippet.sent: Citing the rise of ISIS in Syria and northern Iraq, compared to existing terror strongholds in Afghanistan, Somalia and Yemen, Assistant Commissioner Mark Rowley said: 'It's a much easier area to get to.
article_snippet.sent: It's not far from budget holiday trips to Turkey and Greece that those terror groups travel to, to exploit.'
article_snippet.sent: More than 600 British jihadists have travelled to join ISIS, with half returning to pose a threat on UK streets.
article_snippet.sent: But Assistant Commissioner Mark Rowley said around 50 per cent did not have terror links before flying to Syria.
article_snippet.sent: Jihadi John - real name Mohammed Emwazi.
article_snippet.sent: Assistant Commissioner Mark Rowley added: 'We have terrorist groups now able, from relatively safe environments in ungoverned space of broken areas of the country, to reach into communities in the UK and influence people to act in influence people name to commit terrorist act.
highlights_snippet.sent: Extremists are now targeting the mentally ill and very young, Jihadi John said .