In internally, individuals such as Dr. Riek Gai Kok of the NCP a fought a cold war against his fellow southerners and forces them to leave and join the SPLM in Juba.He's
also a suspect in the murder some with poison, including the late Major-General Elijah Hon Top, a graduate of Beirut College
, Lebanon, just a few hours before he
was sworn in as the President of South Sudan Coordinated Council
in Juba in 2000.