Cika wannan jumlar: Kungiyar Jihadi ta Boko Haram -
wanda tawaye ya fara ne a 2009 kuma ya kai kololuwa a tsakiyar 2010s - ana zargin su da aikata wannan harin da kuma wasu da yawa a Jihar Adamawa. Wadannan sun hada da harin bam a sansanin 'yan gudun hijira a Yola a watan Satumbar 2015, da kuma wadanda ke Mubi a 2012, 2014, 2017 da 2018.