Judge Holds Suspect Without Bond in USF Students Killings

A Hillsborough County judge ordered Hisham Abugharbieh, 26, held without bond on Tuesday following his arrest in the killings of two University of South Florida doctoral students from Bangladesh, Zamil Limon and Nahida Bristy, both 27. The ruling came during a brief hearing in Tampa, where the former USF student also was barred from contacting witnesses or victims' relatives.

Limon and Bristy, who were considering marriage according to a relative, disappeared on April 16. Limon was last seen at the off-campus apartment complex he shared with Abugharbieh and another roommate. Bristy was last seen shortly after at a campus science building. Prosecutors say Limon's body, showing numerous stab wounds and signs of being bound, was found Friday morning inside black trash bags on the Howard Frankland Bridge over Tampa Bay. A second body was recovered Sunday from a nearby waterway; the medical examiner's office reported autopsy results as pending, though investigators believe it to be Bristy's.

Detectives tracked Abugharbieh's car and Limon's phone to the bridge using cellphone location and license plate reader data, according to a pretrial detention report. During questioning days...