Monday, April 27, 2026, 12:19 p.m
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Authorities in the state of Florida are investigating the deaths of two University of South Florida doctoral students in a case in which a former roommate is charged with capital murder. The information comes from documents filed by prosecutors in court and data provided by investigators, according to the report NBC News.
Hisham Abugharbieh, 26, is accused of killing Zamil Limon and Nahida Bristy, both 27. Limon lived with the defendant.
The investigation and the evidence in the file
According to prosecutors, on the night of April 13, a few days before the disappearance of the two, Abugharbieh would have asked the ChatGPT platform a question regarding the situation in which a person would be placed in a black household bag and thrown into a garbage container. In response, the system would have indicated that the described scenario was dangerous, and then it would have asked: “How would others know?”.
Prosecutors argue that this conversation is part of the body of evidence analyzed in the investigation.
A witness told investigators he saw Abugharbieh carrying boxes from the apartment to a dumpster on April 17. At the same location, authorities identified property belonging to Zamil Limon, including a student ID and bank cards.
Forensic analyzes indicated the presence of genetic material attributed to Limon on an item of clothing found in the same space. Other biological evidence was linked by investigators to Nahida Bristy.
Zamil Limon’s body was later discovered in a duffel bag, and the preliminary autopsy indicated that the death was caused by “multiple blunt force injuries”. In the case of Nahida Bristy, human remains have been discovered, but full identification is still ongoing.
The defendant’s statements and the progress of the investigation
Abugharbieh initially told investigators that he did not know where the two were and that they were never in his car. Later, when presented with cell phone location data, he gave another version, saying he had taken them to the town of Clearwater at Limon’s request, without providing further details.
Records obtained through the warrant indicate that the defendant was on April 17 in the area of the Howard Frankland Bridge, where Limon’s body was later found.
At the time of his arrest, Abugharbieh had a cut on the little finger of his left hand and other minor injuries to his lower limbs. He claimed that the wound was caused accidentally while he was chopping onions.
In addition to the murder charges, he is also being prosecuted for assault, deprivation of liberty, failure to report a death, improper storage of human remains and destruction of evidence. He is being held without bail.
A hearing in the case is scheduled for Tuesday.
Official reactions
The families of the victims, originally from Bangladesh, said in a joint statement that they wanted “the bodies of Zamil and Bristy to be treated in accordance with Islamic funeral rites and requirements”.
The University of South Florida said it “mourns the tragic loss of students Nahida Bristy and Zamil Limon” and said the institution remains “committed to the safety and well-being of its students.”
The investigation is ongoing, and authorities have not publicly communicated a possible motive.














