Reading the Room: How Forensic Archaeology Solved a 700-Year-Old Murder at Stirling Castle

In 1997, excavations inside Stirling Castle uncovered nine burials in a place burials should not normally be: the chapel, not the churchyard beyond the walls. One of the nine was a man in his twenties. His remains were catalogued and largely set aside for almost three decades. In August 2026, Jo Buckberry, a bioarchaeologist at the University of Bradford, stood up at the 25th European meeting of the Paleopathology Association in Berlin and called him the first confirmed archaeological case of death by trebuchet.

A Room That Wasn't Meant for the Dead

The location of the burial is itself evidence. Stirling Castle changed hands five times between 1296 and 1304, the last time after Edward I's forces besieged it for roughly three months and battered it with the "Warwolf," reportedly the largest trebuchet ever built, capable of throwing projectiles weighing over 300 pounds. Burying the dead outside a castle's walls during an active siege is not always possible — there is no safe passage, no time, sometimes no ground left uncontested. Interring bodies inside the chapel instead is the kind of decision a garrison makes under exactly those conditions. That context, established before a single bone was re-examined, is what turned an unremarkable 1997 excavation into a live forensic question in 2026: not just how this man died, but why he was buried where he was.

Sixty-One Fractures to the Skull

Buckberry's reanalysis used radiography, microscopy and micro-CT scanning on remains excavated nearly thirty years earlier. The skeleton belongs to a man between 22 and 34 years old, and it carries more than 160 fractures, 61 of them concentrated in the skull. Buckberry has compared the pattern to modern high-velocity trauma cases — "car crashes and people hit by trains" — and concluded that death was effectively instantaneous.

The harder technical question is not the injury count but its timing. Bone breaks differently depending on whether it is still living tissue at the moment of fracture or dry, buried material disturbed centuries later, and separating those two categories from fracture margins, breakage angle and microscopic crack patterns is a narrow, contested area of forensic osteology, not a visual judgment call. Distinguishing a genuine perimortem injury from postmortem damage accumulated in the ground is exactly the kind of determination that recent work on long-bone and cranial fracture characteristics has tried to standardize, and it is what allows a claim like "instantaneous, single-impact death" to be stated with confidence rather than offered as a guess.

What "First Confirmed Case" Actually Means

Trebuchets are not obscure. English administrative records from the twelfth and thirteenth centuries document their construction, transport and deployment in granular, bureaucratic detail, siege after siege. Set against that documentary record, a single confirmed skeletal case looks like a strange scarcity — as if trebuchets rarely struck anyone directly. They almost certainly did, repeatedly, across centuries of European siege warfare. What's scarce is not the event but the evidence trail that survives it: a body recovered as an individual rather than swept into an anonymous mass grave, buried in a structure specific enough to be excavated and dated with confidence, preserved well enough for micro-CT imaging to still resolve fracture microstructure seven centuries later. The Towton mass grave from the 1461 Wars of the Roses battle remains the field's other major benchmark for reading violent trauma off medieval skeletons in bulk, and it makes the contrast clear: mass battlefield dead usually arrive as a population, evidence of extreme violence without individual context. Stirling's Skeleton 150 arrived as a person, with a location, a likely date, and a documented weapon capable of producing exactly the damage his bones record.

That is the more interesting claim buried in "first confirmed case." It is not a statement about how rare trebuchet deaths were. It is a statement about how rarely archaeology gets to attach a name-shaped amount of context to a single violent death from seven hundred years ago — and about how much of that attachment depended on where, in a castle under bombardment, someone chose to dig a grave.

References

• Bachrach, D. S. (2006). English Artillery 1189–1307: The Implications of Terminology. The English Historical Review, 121(494), 1408–1430.
• Moraitis, K., & Spiliopoulou, C. (2006). Identification and Differential Diagnosis of Perimortem Blunt Force Trauma in Tubular Long Bones. Forensic Science, Medicine and Pathology, 2(4), 221–229.
• Scheirs, S., Malgosa, A., Sanchez-Molina, D., Ortega-Sanchez, M., Velazquez-Ameijide, J., Arregui-Dalmases, C., Medallo-Muniz, J., & Galtes, I. (2017). New Insights in the Analysis of Blunt Force Trauma in Human Bones: Preliminary Results. International Journal of Legal Medicine, 131, 867–875.
• Fiorato, V., Boylston, A., & Knusel, C. (Eds.) (2000). Blood Red Roses: The Archaeology of a Mass Grave from the Battle of Towton AD 1461. Oxbow Books.