Former Inspector General of Police (IGP) Chowdhury Abdullah Al-Mamun, who turned state witness in a war crimes case linked to the anti-discrimination student movement, was brought to the International Crimes Tribunal under tight security on Thursday morning. The case also names deposed Prime Minister Sheikh Hasina and former Home Minister Asaduzzaman Khan Kamal as fugitive accused. The three-member Tribunal-1 bench, led by Justice Md Golam Mortuza Mojumdar, is expected to set a date for the verdict. Earlier, on October 23, both prosecution and defense concluded their arguments. The investigation report was submitted on May 12, followed by formal charges on June 1 and trial commencement on July 10. Mamun later confessed and was accepted as a state witness by the tribunal.