Have a look at this:
http://www.int.iol.co.za/index.php?from=rss_Top%20Stories&set_id=1&click_id=13&art_id=vn20090818123922619C221740
Some people think, the gentleman committing the crime, was mentaly instable. I can't help but ask myself: are there any violent criminals 'mentaly stable' ? :D