If they did not make their quotas, Arana’s men would burn them alive, hang and quarter them, or shoot off their genitals. During the twelve years that Arana held his reign of terror along the banks of the Rio Putumayo, the native population plummeted from more than fifty thousand to less than eight thousand. Those who survived did so with horribly disabling and disfiguring wounds that became known as “la marca arana,” the mark of Arana.




