Oh, they are real. Some even have blogs.
"When asked for his employment status, Anders Breivk described himself as a writer. The 33-year-old mass-murderer, who admits killing eight in an Oslo bomb blast and 69 in a shooting spree on the island of Utoya last July, remained emotionless as prosecutors spent two hours describing in graphic detail how each of his victims died." - Read about it here.
"When asked for his employment status, Anders Breivk described himself as a writer." All rightey then.
