article_snippet: Abubakar Shekau,  leader of the Islamist extremist group Boko Haram, preaching his messages of hate.
article_snippet: Colonel Azem Bermandoa Agouna claimed the massacre probably occurred about two months ago and added: 'This is the work of Boko Haram.'
article_snippet: The Islamist uprising, which initially began as a campaign against Western education, has claimed more than 13,000 lives since 2009.
article_snippet: In a recent chilling development, the sinister group recently allied the sinister group with the Islamic State terrorists in Syria and Iraq.
article_snippet: A Boko Haram flag flutters from an abandoned command post in the town of Gamboru.
article_snippet: the sinister group recently pledged allegiance to the Islamic State .
article_snippet: Boko Haram had held the town of Gamboru since last November, when Boko Haram killed around 50 people and forced another 3,000 to flee, according to the UN's High Commissioner for Refugees.