The investigation into the deaths of two University of South Florida doctoral students took a twist this weekend when prosecutors said that the suspect asked ChatGPT about body disposal in the lead up to the students' disappearance, raising questions about the role tech companies have in preventing the misuse of the powerful chatbots. It wasn't long after University of South Florida students Zamil Limon and his girlfriend Nahida Bristy went missing on April 16 that law enforcement began to suspect Limon's roommate Hisham Abugharbieh, 26, of killing both Bangladeshi students. Limon's body was found Friday under a bridge and a second body, found in a waterway near Limon’s body, was recovered but has not been identified. Now, court records filed by prosecutors on Saturday suggest that Abugharbieh's OpenAI search history has emerged as a prominent piece of evidence.…