WARNING : GRAPHIC CONTENT . They were identified last night after ' hundreds ' of ID cards arrived nearby . Cards belonged to unarmed recruits massacred by soldiers in cold blood last June . Forensic agents have already dug up 20 bodies and expect to find far more . ' We ' n't prevent ourselves from breaking down in tears , ' says worker .
WARNING : GRAPHIC CONTENT . Graves were identified last week after 'dozens ' of ID cards found nearby . Cards belonged to army recruits massacred by ISIS in cold blood last June . Forensic teams have already dug up 20 bodies and expect to find far more . 'We could n't prevent ourselves from breaking down in tears , ' says worker .