How long does it take to be radicalised online? Caolan Robertson reckons as short as six weeks and he should know because he was radicalised and went on to make videos for You Tube for a range of different right wing extremists and conspiracy theorists. He travelled extensively making these films, including back to his native Ireland at the time of the Eighth amendment referendum. Today, he is dedicated to warning people of the dangers of radicalisation, which, he believes, is growing at an alarming rate.

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