Four years ago, Tariquzzaman Sunny, a student of the Architecture Department at BUET, drowned at the Padma's Mainot Ghat while out with friends. In connection with this incident, his family filed a murder case at the Dohar Police Station in the suburb of the capital. However, investigation has so far found no evidence supporting homicide. The viscera report has confirmed that the victim died from drowning.The fifth investigating officer of the case, Nasir Uddin, sought approval to submit a final...