The remains of missing University of South Florida student Zamil Limon, 27, were recovered Friday from waters near Tampa's Howard Frankland Bridge, as his roommate faces multiple felony charges in a shocking domestic violence case. Nahida Bristy, 27, Limon's other roommate, remains missing amid an intensifying search by Hillsborough and Pinellas sheriffs. An autopsy is pending to reveal the cause of death.