University of South Florida doctoral students Zamil Limon and Nahida Bristy were missing for over a week. Limon's remains were found April 24.
The roommate of a University of South Florida doctoral student who was found dead after being missing for over a week is now facing murder charges. Authorities are still searching for a second missing student.
Zamil Limon and Nahida S. Bristy, both 2... [2625 chars]