sentences:  He reported seeing human bones, "Muslim prayer beads, clothing and still legible receipts and election ballots from Srebrenica", as well as shell casings and ammunition boxes in the vicinity of three large mass graves.He described being told that Bosnian Serb troops were hunting down and summarily executing Bosnian Muslims (Bosniaks) from the town.He subsequently located eyewitnesses to the massacre and wrote about the circumstances that led up to the killings.