He wasn’t a skinhead. He was a racist bonehead and petty criminal.
It may shock you to know that “skinhead” culture originated from Trinidadian and Jamaican “rude boys”, their music, and their style of dress in the UK. It was working-class, not racist, and was later taken over by racist fools.
Yes he was, and had been in prison before that...
You believe what you want...or read what ever the media tells you that you believe...I have friends that were there, and they don’t mess with these ‘ISIS looking goons’...