Authorities have charged a roommate with two counts of first-degree murder in connection with the deaths of two doctoral students from the University of South Florida. One of the students, Zamil Limon, was found dead on the Howard Frankland Bridge, while the second, Nahida Bristy, remains missing. The case gained widespread attention as dive teams searched for Bristy, who is now considered endangered. The suspect, identified as Hisham Abugharbieh, was taken into custody after a body was discovered during the investigation. The mystery surrounding the disappearances deepens as officials continue to search for Bristy.