The Telegraph has some interesting details on the recent Swedish school attack by what appears to be a lone far-right extremist:
“he hunted us through the school. He was playing strange music and didn’t say a word. It was terrifying music, sort of Halloween music.”
…
"A day before his attack, he ‘liked’ the song When Evil Speaks by the Belgian electro-industrial group Suicide Commando.”
The Bored Jihadi 