Iceman Murder Mystery
A new forensic investigation of a 5,000-year-old mummy reconstructs his death and reveals an ancient way of life. Aired October 26, 2011 on PBS
http://www.pbs.org/wgbh/nova/ancient...r-mystery.html
Anecdotal, but perhaps gives credence to the notion that people were more likely to be murdered 5,000 years ago. Iceman was shot in the back with an arrow. They theorize he was killed by someone he knew, as he had just eaten a large meal.