DHAKA Bangladesh's former police chief appeared in court on Wednesday accused of overseeing a deadly crackdown in a failed bid to suppress the August revolution that toppled the regime of Sheikh Hasina. Former police inspector general Chowdhury Abdullah Al-Mamun was flanked by serving officers as he was led into court, where prosecutors alleged he was responsible for overseeing massacres, genocide, and crimes against humanity. Eight defendants appeared in court in Dhaka, including Ziaul Ahsan,