That trek eventually led to confirmation that Native Americans indeed used the site as its name suggests, but it left unsolved another mystery: For what did they use the six soccer ball-sized holes?
Who ordered the murder remains one of Haiti's great unsolved crimes, and the mystery became the basis of the 2003 documentary, The Agronomist, by the Oscar-winning US film director Jonathan Demme.
Another mystery the original discovery had left unsolved was this: How can humans, with only 350 olfactory receptors, distinguish 10, 000 or more odorants?