TEXT: A supporter holds a Democratic Repupublic of Congo flag outside the court in Pretoria, South Africa, on Thursday, Feb. 7, 2013. Nineteen alleged members of a Congolese rebel group -- including one U.S. citizen -- sought help in their effort to overthrow Congolese President Joseph Kabila, offering mining rights in their resource-rich country in exchange for weapons and training, a prosecutor said Thursday.