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Lethal wounds on skull may indicate 430,000-year-old murder

Human remains in Spanish cave site provides further evidence for early funerary practices

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IMAGE: This is a frontal view of Cranium 17 showing the position of the traumatic events T1 (inferior) and T2 (superior). view more

Credit: Javier Trueba / Madrid Scientific Films

Lethal wounds identified on a human skull in the Sima de los Huesos, Spain, may indicate one of the first cases of murder in human history, some 430,000 years ago, according to a study published May 27 2015 in the open-access journal PLOS ONE by Nohemi Sala from Centro Mixto UCM-ISCIII de Evolución y Comportamiento Humanos, Spain, and colleagues.

The archeological site, Sima de los Huesos in northern Spain, is located deep within an underground cave system and contains the skeletal remains of at least 28 individuals that date to around 430,000 years ago, during the Middle Pleistocene. The only access to the site is through a 13-meter deep vertical shaft, and how the human bodies arrived there remains a mystery.

A nearly complete skull, Cranium 17 from the Sima de los Huesos, is comprised of 52 cranial fragments recovered during excavations at the site over the last 20 years. This skull shows two penetrating lesions on the frontal bone, above the left eye. Relying on modern forensic techniques, such as contour and trajectory analysis of the traumas, the authors of the study showed that both fractures were likely produced by two separate impacts by the same object, with slightly different trajectories around the time of the individual's death. According to the authors, the injuries are unlikely to be the result of an accidental fall down the vertical shaft. Rather, the type of fracture, their location, and that they appear to have been produced by two blows with the same object lead the authors to interpret them as the result of an act of lethal interpersonal aggression--or what may constitute the earliest case of murder in human history.

Furthermore, if this individual was already dead, the authors found that they were likely carried to the top of the vertical shaft by other humans. The authors suggest that humans were likely responsible for the accumulation of bodies in the Sima de los Huesos, which supports the idea that this site represents early evidence of funerary behavior.

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Adapted by PLOS ONE from release provided by the author

In your coverage please use this URL to provide access to the freely available paper: http://dx.plos.org/10.1371/journal.pone.0126589

Citation: Sala N, Arsuaga JL, Pantoja-Pérez A, Pablos A, Martínez I, Quam RM, et al. (2015) Lethal Interpersonal Violence in the Middle Pleistocene. PLoS ONE 10(5): e0126589. doi:10.1371/journal.pone.0126589

Funding: This research was supported by the Ministerio de Economía y Competitividad of the government of Spain (Project Nos. CGL2012-38434- C03-01, 02 & 03). CT scanning was carried out in collaboration with the Laboratorio de la Evolución Humana at the Universidad de Burgos (Spain) with funding provided by the Junta de Castilla y León Project No. BU005A09. Fieldwork at the Atapuerca sites was funded by the Junta de Castilla y León and the Fundación Atapuerca. N.S and A.P.P. have received postdoctoral and predoctoral respectively grants from the Fundación Atapuerca. R.M.Q. has received financial support from Binghamton University (SUNY).

Competing Interests: The authors have declared that no competing interests exist.

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