He has filed genocide charges against members of the former Awami League government and media personnel at the International Crimes Tribunal after the resignation of Prime Minister Sheikh Hasina.
[7] He filed the case on behalf of Bulbul Kabir, a father of grade nine student Arif Ahmed Siyam.
[9] Tamim filed a case of genocide at the International Crimes Tribunal against former prime minister Sheikh Hasina, former prosecutor of the International Crimes Tribunal Tureen Afroz, journalist Shahriar Kabir, professor of the University of Dhaka Muntasir Mamun and 15 others over the police raid on 2013 Shapla Square protests of Hefazat-e-Islam Bangladesh.
[10] Tamim filed the complaint on behalf of the joint secretary general of Hefazat-e-Islam Bangladesh, Harun Ijahar Chowdhury.
[11] The other accused in the case include Obaidul Quader, general secretary of the Awami League, Rashed Khan Menon, former Minister of Civil Aviation and Tourism, Sheikh Fazle Noor Taposh, Mayor of Dhaka South, Salman F. Rahman, former advisor of Prime Minister Sheikh Hasina, Tarique Ahmed Siddique, former advisor to Prime Minister of Sheikh Hasina, A. K. M. Shahidul Haque, inspector general of Bangladesh Police, journalist Subhash Singha Roy, convener of Gonojagoron Moncho Imran H. Sarker, journalist Mozammel Haque Babu, journalist Ahmed Zobayer, journalist Nayeemul Islam Khan, former director general of National Security Intelligence M Manzur Ahmed, and Aziz Ahmed, chief of Bangladesh Army.