Grisly Fossils From Kenya Lake Reveal a 10,000-Year-Old Massacre, Possible War

In this August 2012 photo provided by Marta Mirazon Lahr, researcher Frances Rivera, right, Michael Emsugut, left, and Tot Ekulukum excavate a human skeleton at the site of Nataruk, West Turkana, Kenya. (Marta Mirazon Lahr via AP)