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Impact on mummy skull suggests murder

Date:
February 26, 2014
Source:
PLOS
Summary:
Blunt force trauma to the skull of a mummy with signs of Chagas disease may support homicide as cause of death, which is similar to previously described South American mummies. Radiocarbon dated to around 1450 -- 1640 AD, skeletal examination indicated that the mummy was likely 20-25 years old at the time of her death, and her skull exhibits typical Incan-type skull formations.

(A) This is a frontal view of the mummy which reveals typical squatting position (although the legs are broken off below both knees). (B) External appearance of the hair plaits which are fixed at their ends by tiny ropes of foreign material. (C) Detailed view of the mummy's face. Note the transverse defect above the left eye. Both eyes are closed and covered by skin. The mouth is ovally opened, the frontal teeth are missing.
Credit: Andreas Nerlich; CC-BY

Blunt force trauma to the skull of a mummy with signs of Chagas disease may support homicide as cause of death, which is similar to previously described South American mummies, according to a study published February 26, 2014 in PLOS ONE by Stephanie Panzer from Trauma Center Murau, Germany, and colleagues, a study that has been directed by the paleopathologist Andreas Nerlich from Munich University.

For over a hundred years, the unidentified mummy has been housed in the Bavarian State Archeological Collection in Germany. To better understand its origin and life history, scientists examined the skeleton, organs, and ancient DNA using a myriad of techniques: anthropological investigation, a complete body CT scan, isotope analysis, tissue histology, molecular identification of ancient parasitic DNA, and forensic injury reconstruction.

Radiocarbon dated to around 1450 -- 1640 AD, skeletal examination indicated that the mummy was likely 20-25 years old at the time of her death, and her skull exhibits typical Incan-type skull formations. Fiber from her hair bands appear to originate from South American llama or alpaca. Isotope analysis of nitrogen and carbon in her hair reveal a diet likely comprising maize and seafood, which, along with other evidence suggest South American origin and a life spent in coastal Peru or Chile.

The mummy also showed significant thickening of the heart, intestines, and the rectum, features typically associated with chronic Chagas disease, a tropical parasitic infection. DNA analysis of parasites found in rectum tissue samples also support chronic Chagas disease, a condition she probably had since early infancy. The skull structure where a massive skull and face trauma occurred, suggests the trauma was acquired prior to death, and indicates massive central blunt force. The young Incan may have been victim of a ritual homicide, as has been observed in other South American mummies.


Story Source:

The above story is based on materials provided by PLOS. Note: Materials may be edited for content and length.


Journal Reference:

  1. Stephanie Panzer, Oliver Peschel, Brigitte Haas-Gebhard, Beatrice E. Bachmeier, Carsten M. Pusch, Andreas G. Nerlich. Reconstructing the Life of an Unknown (ca. 500 Years-Old South American Inca) Mummy – Multidisciplinary Study of a Peruvian Inca Mummy Suggests Severe Chagas Disease and Ritual Homicide. PLoS ONE, 2014; 9 (2): e89528 DOI: 10.1371/journal.pone.0089528

Cite This Page:

PLOS. "Impact on mummy skull suggests murder." ScienceDaily. ScienceDaily, 26 February 2014. <www.sciencedaily.com/releases/2014/02/140226174542.htm>.
PLOS. (2014, February 26). Impact on mummy skull suggests murder. ScienceDaily. Retrieved September 20, 2014 from www.sciencedaily.com/releases/2014/02/140226174542.htm
PLOS. "Impact on mummy skull suggests murder." ScienceDaily. www.sciencedaily.com/releases/2014/02/140226174542.htm (accessed September 20, 2014).

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