The Christchurch massacre has shown that violent extremism is a global threat.

It has focused the world's attention on the rise of far-right extremism and also on the role of tech companies in spreading their ideologies. 

EXIT Sweden is an organisation that helps to leave violent extremism and come back to society. They also meet and help people who are on their way to radicalisation.

Robert Örell is a director at Exit Sweden. He told Kerre McIvor extremist groups are very good at appealing to isolated people longing for a sense of meaning and create an environment for that.

"Most clients learn it as part of a social process. You get to know people in these environments and you get introduced to the idea of radicalisation."

LISTEN TO THE INTERVIEW ABOVE