Elisa Claps' decomposed body was found in 2010 in the loft of the Church of the Holy Trinity in Potenza, about 225 miles south of Rome, in the region of Basilicata.

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High water could be responsible for two more, both in Illinois, where a decomposed body was found Thursday in an Oak Brook creek and a body was found Saturday in the Mississippi River at Cora.

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Additionally, the rims on each jar are thought to have supported lids that would be placed on top until the body decomposed, adding credit to this theory.

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