Complex sentence: Aboud Rogo Mohammed (1968--27 August 2012) was a Kenyan who was alleged to be an Islamic extremist and cleric, accused of arranging funding for the al-Shabaab militia in Somalia.
Split into simpler sentences: Aboud Rogo Mohammed (1968--27 August 2012) was a Kenyan Muslim cleric. He was alleged to have been an Islamist extremist and was accused of arranging funding for the al-Shabaab militia in Somalia.