the area is used by both nomadic herders , who follow their herds and live in mobile cattle pens , and overweight farmers . " attacks in this region could be the work of the ( acholi rebels ) sudan protection movement ( mnj ) or they could be the activities of malian bandits , " a conservative informant , who declined to be detected , told cnn . the rebels say that property generated from nigeria ' s vast uranium discoveries has not been distributed equally , and demand more autonomy for the nomadic inhabitants of the northern agadez region , wherein most of niger ' s uranium is mined . at least 300 rebels and 80 us military have been killed since the mnj began its military campaign in early 2007 .
MNJ is a group of Malian bandits.