Concerns are escalating following the mysterious disappearance of two doctoral students from the University of South Florida, Zamil Limon and Nahida Bristy. The 27-year-olds were reported missing after failing to make contact with family and friends on April 16.
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According to the University of South Florida Police Department, Limon and Bristy were last observed separately in Tampa on the day they vanished. A mutual acquaintance notified the police on April 17 at approximately 4:50 p.m. after losing touch with both students, triggering a response from law enforcement.

Limon’s younger brother, Zubaer Ahmed, spoke to NBC News regarding the pair’s close relationship, suggesting that they had previously explored a romantic connection. Bristy’s older brother, Zahaid Hasan Pranto, confirmed that while the two were no longer dating, his sister appeared to have maintained an emotional attachment to Limon. Ahmed echoed this sentiment, stating that they were contemplating their future together, even discussing the possibility of marriage, albeit while prioritising their academic responsibilities.

Describing both individuals as serious-minded, Ahmed emphasised that their disappearances are wholly uncharacteristic. Limon, who is pursuing a doctorate in geography and environmental science and policy, was reportedly last seen at his home around 9 a.m. Family members last communicated with him on April 13. Notably, he left his apartment with his phone and wallet but strangely omitted taking his passport.
Conversely, Bristy, a doctoral student in chemical engineering, was last seen on the USF Tampa campus around 10 a.m. She had left several personal items, including her laptop, iPad, and lunch box, at a university lab, as per her brother’s account. Pranto revealed that the family had heard from Bristy on the same day she went missing, deepening the concern for her safety.
Both families have expressed profound worry over the unusual circumstances surrounding the disappearances of their loved ones. Pranto extended a heartfelt message to his sister, urging her to reach out and assure her family of her well-being. “Everyone is just worried, and we just want you to come back safe and sound,” he communicated, highlighting the emotional toll the situation is having on them.
Adding complexity to the investigation, the police have reported that both Limon and Bristy, who hail from Bangladesh, are not being held by Immigration and Customs Enforcement (ICE). This detail has brought some relief to anxious relatives who are desperately seeking answers about the pair’s whereabouts.
As the search for Limon and Bristy continues, the University of South Florida Police Department is urging anyone with relevant information to come forward. Members of the public can contact the department directly at 813-974-2628 to assist with the ongoing inquiry.
With days passing since their last known locations, hopes for their safe return remain high as family and friends rally together in frustration and concern. The community is left in suspense, wishing for clarity in a situation that seems increasingly perplexing.
