The physical state in which you find a human corps, shows clearly signs of the time elapsed, this, associated to its faunal, can be used to clarify the post-mortem interval. In Potrero Seco, province of Chiriquí, a human corps was discovered in advanced state of putrefaction and colonized by larvae from flies. Larvae were collected randomly and then put in breed chambers, to complete their development, meanwhile others were set in alcohol 70%, to stop their development. The larvae’s sizes were of 12.0 mm, the same size recovered in larvae with 168 hours of exposition. This was based on the analysis of the size of larvae at that moment recovered from the corps. According to the experiment, the species recovered from the corps corresponded to, Cochliomyia macellaria, and its life cycle, takes 24 to 26 days from the egg stage to adult.
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