Because he issued a warrant for the arrest of the genocidal Sudanese President.
You’d think that as a lecturer on Sharia, he would know the true Islamic teachings of peace that would rule this sort of thing out.
“Sudanese Lecturer Demands Fatwa Allowing ICC Prosecutor’s Killing,” from the MEMRI Blog, March 10 (thanks to Clark):
Suawiya Khader Al-Amin, an attorney and lecture in shari’a and law, has demanded of Sudan’s Islamic Fiqh Council that it issue a fatwa permitting the killing of International Criminal Court prosecutor Luis Moreno-Ocampo, following his decision to issue an arrest warrant against Sudanese President Omar Al-Bashir.
He demanded the fatwa because, he said, Ocampo’s decision would lead to civil war among the Muslims in Sudan.
Source: Al-Sharq Al-Awsat, London, March 10, 2009