A roommate’s alleged betrayal has turned a Tampa-area home into a crime scene, leaving two promising international doctoral students dead and raising urgent questions about student safety that universities nationwide cannot afford to ignore.
Story Snapshot
- Hisham Abugharbieh, 26, faces two counts of first-degree premeditated murder in deaths of USF doctoral students Zamil Limon and Nahida Bristy
- Limon’s body discovered on Howard Frankland Bridge; Bristy remains missing, presumed dismembered based on blood evidence at shared residence
- Both victims were high-achieving international students nearing completion of advanced degrees in environmental science and chemical engineering
- Investigation escalated from missing persons report to double homicide after domestic violence call revealed blood evidence at off-campus home
Doctoral Students Vanish from Tampa Campus Area
Zamil Limon, 27, disappeared from his home on Avalon Heights Boulevard around 9 a.m. on April 16, while Nahida Bristy, 27, was last seen approximately one hour later at the NES Building on the University of South Florida Tampa campus. Both were doctoral candidates pursuing advanced research—Limon in geography, environmental science, and policy using artificial intelligence, and Bristy in chemical engineering. A family friend contacted USF Police Department on April 17 after repeated attempts to reach the students failed, triggering a missing persons investigation that would soon reveal a far darker reality.
Domestic Violence Call Exposes Horrific Crime Scene
On Friday, April 25, Hillsborough County Sheriff’s deputies responded to a domestic violence call at a Lake Forest Community residence near the USF campus—the home Limon shared with his roommate, Hisham Abugharbieh. The suspect barricaded himself before surrendering to authorities. Blood evidence discovered at the scene pointed investigators toward a gruesome conclusion. That same day, Limon’s remains were found on the Howard Frankland Bridge in Tampa. Abugharbieh was arrested and initially charged with battery, false imprisonment, tampering with evidence, failure to report a death, and unlawful movement of a body. By Saturday, after the State Attorney’s Office reviewed the evidence, authorities filed two counts of first-degree premeditated murder with a weapon.
Second Victim Presumed Dead, Body Likely Dismembered
While Limon’s body has been recovered and an autopsy is pending, Nahida Bristy’s fate remains uncertain but grim. Hillsborough County Sheriff’s Office investigators believe Bristy was killed and possibly dismembered, based on evidence collected at the shared residence. Her brother, Zahid Prato, confirmed that police informed the family “she is no longer with us” and warned that her body may never be found. Search operations continue near the Howard Frankland Bridge, where Limon’s remains were discovered. The Sheriff’s Office has withheld specific details about the cause of death and the suspect’s motive, citing the ongoing investigation’s integrity. This lack of transparency, while procedurally standard, leaves families and the community grappling with unanswered questions about what drove such violence.
Universities Must Address Off-Campus Safety Failures
This tragedy exposes a troubling gap in how universities protect students living off-campus, particularly international scholars who may lack local support networks. Limon was weeks away from presenting his thesis, and both victims had traveled far from home to pursue the American Dream through advanced education and hard work. Yet the very housing arrangement meant to support their academic pursuits became the site of their deaths. The fact that a routine domestic violence call—not proactive campus safety measures—uncovered this crime raises legitimate concerns about whether institutions are doing enough to monitor student welfare beyond campus boundaries. As families seek closure and authorities continue their investigation, universities nationwide must confront whether their duty of care extends meaningfully to students in private residences, or if that responsibility ends at the campus gate.
Case Moves Forward as Community Demands Answers
Abugharbieh is being held without bond, with a pre-trial hearing scheduled for April 28 at 9 a.m. The Hillsborough County Sheriff’s Office continues to investigate, urging anyone with information to call (813) 247-8200. For the victims’ families, justice remains incomplete until Bristy’s body is recovered and the full truth emerges. This case serves as a stark reminder that behind every academic achievement and research milestone are real people—vulnerable to the same violence and betrayal that can strike anywhere, even in places meant to foster learning and growth.



