Olugbode, Michael (2 February 2011). “Nigeria: We Are Responsible for Borno Killings, Says Boko Haram”. allAfrica.com. http://allafrica.com/stories/201102030036.html31 January 2012閲覧. "The sect in posters written in Hausa and pasted across the length and breadth of Maiduguri Wednesday morning signed by the Warriors of Jamaatu Ahlis Sunna Liddaawati Wal Jihad led by Imam Abu Muhammed Abubakar Bi Muhammed a .k .a Shehu claimed they embarked on the killings in Borno "in an effort to establish Sharia system of government in the country"."