Now, archaeologists studying one set of bones, known as Skeleton 150, have concluded that the man was killed by a massive impact that shattered his bones and pinned him to the ground. Stirling castle (Image: NQ)The distribution of the fractures across his skeleton rules out death from a fall from a height and is more akin to injuries suffered by people who have been hit by a speeding car. "The breaks [to his bones] indicate a very large area of impact and devastation," she told the journal website Science.org. A reconstructed trebuchet at Warwick Castle in England (Image: NQ)The answer may lie in eyewitness accounts from Edward I's siege of the castle in 1304. Although historical accounts do not record the catapults inflicting casualties, the bones appear to tell a different story.