If you haven’t already seen this, watch a two-part documentary about far-right movement Generation Identity (GI) in France. Here are links to the videos on Al Jazeera:
Generation Hate Part 1:
https://www.aljazeera.com/news/2018/12/generation-hate-part-1-181226094751438.html
Generation Hate Part 2:
https://www.aljazeera.com/news/2018/12/generation-hate-part-2-181226095511884.html