This photograph taken on April 27, 2016, shows Najeebullah, 18, who survived a Taliban insider attack carried out by a bacha or child sex slave, smoking a shisha in Tarin Kot. The Taliban are using child sex slaves to mount crippling insider attacks on police in southern Afghanistan, exploiting the pervasive practice of "bacha bazi" -- paedophilic boy play -- to infiltrate security ranks, multiple officials and survivors of such assaults told AFP. Photo: AFP/RATEB NOORI