A Florida man charged in the deaths of two University of South Florida doctoral students allegedly searched ChatGPT about disposing of human remains in the days leading up to the killings.
Prosecutors say 26-year-old Hisham Abugharbieh conducted a series of online searches that raised concerns during the investigation into the deaths of his roommate, 27-year-old Zamil Limon, and Limon’s girlfriend, Nahida Bristy, 27.
Court records describe an exchange in which Abugharbieh posed a hypothetical about discarding a bag of human remains in a dumpster. After receiving a warning about the risks, he followed up with the question: “How would they find out?”
Investigators say additional searches included questions about altering a vehicle identification number, the legality of possessing an unlicensed firearm, and whether a person could survive a gunshot wound to the head. One query reportedly read: “Will my neighbors hear my gun?”
Authorities linked those searches to physical evidence recovered near the apartment shared by Abugharbieh and Limon. Deputies found Limon’s student ID, glasses, and credit cards in a nearby dumpster, along with a receipt for trash bags, cleaning supplies, and air fresheners. Bloody clothing was also recovered.
Additional bags matching those materials were later found under the suspect’s bed and in the same dumpster, investigators said.
Limon’s body was discovered inside a black plastic bag near the Howard Frankland Bridge. Officials said he had been stabbed multiple times. Bristy’s remains were later identified through DNA.
Before investigators obtained a warrant to search Abugharbieh’s phone, deputies said he gave conflicting accounts. Once accessed, location data placed him on the bridge around 1:30 a.m. on April 17, where he remained for several minutes and activated his phone’s flashlight.
Bristy had initially been reported missing alongside Limon. Deputies later recovered her remains, and authorities confirmed her identity.
Sheriff Chad Chronister called the case “deeply disturbing,” adding that investigators are continuing to work through the evidence.
“This was a calculated, premeditated act of pure evil,” he said.
Abugharbieh was taken into custody following a separate domestic violence call that escalated into a standoff. He eventually surrendered and was arrested.
Court records show he has a prior history of violent incidents, including earlier charges of battery and burglary.
He now faces multiple charges, including two counts of first-degree murder, along with allegations of tampering with evidence, false imprisonment, unlawfully moving a body, and failing to report a death.
If convicted, Abugharbieh could face the death penalty, though prosecutors have not yet indicated whether they will seek it. He is currently being held without bond.
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