TOPSHOTS Three young men, who were discovered while entering Bama, sit blindfolded in the back of a pick-up truck before being taken for interrogation by the Nigerian army in Bama on March 25, 2015. Nigeria's military has retaken the northeastern town of Bama from Boko Haram, but signs of mass killings carried out by Boko Haram earlier this year remain. AFP PHOTO / NICHOLE SOBECKI