One source is: https://www.rand.org/randeurope/research/projects/internet-and-radicalisation.html https://www.rand.org/randeurope/research/projects/internet-a..

One source is: https://www.rand.org/randeurope/research/projects/internet-and-radicalisation.html https://www.rand.org/randeurope/research/projects/internet-a... Here is a shorter blog post that references the above research: https://www.rand.org/blog/2014/03/the-internets-role-in-radicalisation.html https://www.rand.org/blog/2014/03/the-internets-role-in-radi...