It was used in ancient Egypt in process of preservation when they were mummifying corpses. The professor's autopsy reveals someone had started mummifying his body while he was still alive. The process was filmed for television, for the documentary "Mummifying Alan&colon; Egypt's Last Secret". This sample size suggests that the Chinchorro did not favor mummifying one sex over others. In general, the mummifying of animals was not given the careful attention afforded to humans.