On 9 May 2013 the International Crimes Tribunal sentenced him to death after it found Kamaruzzaman guilty of crimes against humanity including genocide, killing, rape, looting, arson, and deportation of people during the Bangladesh Liberation War.
Pada 9 Mei 2013 Tribunal Kejahatan Internasional memutuskan agar ia dihukum mati setelah diketemukan bahwa Kamaruzzaman memandu kejahatan melawan kemanusiaan yakni genosida, pembunuhan, pemerkosaan, looting, arson, dan deportasi orang-orang saat Perang Pembebasan Bangladesh.