Zangina is a member of the Shura Committee, the movement's governing body, and has coordinated "most of the most of the suicide attacks and bombings" in several cities, including the capital Abuja, Musa said.
"The cease-fire enabled us to conduct disease surveillance with the freedom of movement, not fearing land mines and getting shot, " said Dr. Nabil Azziz, who coordinated Sudan's national Guinea worm eradication program until 2007.