actor1: Boko Haram - Jamaatu Ahli is-Sunnah lid-Dawati wal-Jihad
actor2: Civilians (Nigeria)
notes: A month after being liberated by join Chadian and Nigerian forces, authorities discover 400 or more of bodies buried in mass graves, ostensibly at the hand of Boko Haram. Dates of the atrocities are not clear. Source dated 27/04.
target_text: actor1: Boko Haram - Jamaatu Ahli is-Sunnah lid-Dawati wal-Jihad, actor2: Civilians (Nigeria)