Rangers in Chad 's Central National Park face a serious threat from illegal operations . In recent years , park rangers have been executed in their line of work . 90 % of the park 's elephants have been slaughtered for their ivory . Poachers have come from neighboring Sudan ; now the CAR government faces a new threat .
Rangers in Chad 's Zakouma National Park face a serious threat from poaching operations . In recent years , park rangers have been executed in their line of work . 90 % of the park 's elephants have been slaughtered for their ivory . Poachers have come from neighboring Sudan ; now the CAR war presents a new threat .