I’m doing an OL Prevent training http://www.elearning.prevent.homeoffice.gov.uk/ and find the second video very striking - but possibly not for the reason the Home Office intended.
Partial transcription:
At first, the process of radicalisation might seem quite benign: developing friendships and passionate discussions...The radicalisers are normally very successful because they provide that emotional support that a person sometimes misses in life... The ideologies that we’re really concerned about are those that don’t see a place for others. These manipulate faith, history or politics, often blurring fact and opinion...The...ideology dehumanises a person’s humanity, meaning it makes the person who is a victim of it see the others who are not part of his ingroup as non-humans...But, while the ideologies may differ, the process is similar: an absence of protective factors allowing background vulnerabilities, influences and an ideological opening to combine, resulting, in rare cases...
Sounds familiar?