Ethiopia’s Omo Valley | Africa’s Last Frontier, National Geographic Magazine: Arms Trade Crosses Omo Borders – Every Grown Man has an AK-47

What makes this situation more difficult for all these tribes is that they are in the middle of an arms trade that goes across their porous borders between Sudan and Somalia.  Every grown man in these tribes owns an AK-47.  Some men, like this Nyangatom man whose scars indicate how many Karos he has killed, own ancient but powerful belt-fed machine guns.