Perhaps, but what's that got to do with nut jobs today?
Since it's 2009 and no acts of violence in civilized societies are performed due to atheistic beliefs, yet they are performed due to religious beliefs.
This is one nut job who murdered only one person. Stalin, an atheist, murdered thousands of religious people only because they were not atheists, and that was only less than 80 years ago.
A murderous nut job is a murderous nut job, with or without religion:
Man kills eight at Finnish schoolBBC NEWSWednesday, 7 November 2007
At least eight people were killed when an 18-year-old gunman opened fire at a school in Finland Wednesday, according to Finnish police...
...In the rambling text posted on the site, Auvinen said that he is "a cynical existentialist, anti-human humanist, anti-social
social-Darwinist, realistic idealist and god-like
atheist.
"
I am prepared to fight and die for my cause," he wrote. "I, as a
natural selector, will eliminate all who I see
unfit, disgraces of human race and failures of
natural selection."...
...Sipila said that Finland, which has a population of about five million, has around two million firearms, although gun laws are tough. "We do not know where he got it from," he said
http://news.bbc.co.uk/2/hi/europe/7082795.stm