Pulling up in a McLaren supercar to a crowd of hundreds of shrieking fans - each of whom had paid £38 to be there - you'd be forgiven for thinking the guest of honour was a Hollywood A-lister.
Dihan Rahman, 19, from Uxbridge, West London, had extreme misogynistic views and was found with Nazi and pro-Isis material along with images of women being strangled and mutilated.