Man chops off head with chainsaw - World - smh.com.au
http://www.smh.com.au/news/world/man-chops-off-own-head-with-chainsaw/2007/05/09/1178390349892.html
"A man cut off his own head with a chainsaw after stabbing his 70-year-old father to death in their apartment in the German city of Cologne, police said."