A California biomedical researcher, 42-year-old Serhat Gumrukcu, a man who claimed to have found the cure for HIV, was convicted, along with three other men, for the murder-for-hire plot that resulted in the death of Gregory Davis, Gumrukcu’s former business partner and the father of six.

According to a press release issued by the U.S. Attorney’s Office, District of Vermont, Gumrukcu was convicted of murder-for-hire, conspiracy to commit murder-for-hire, and conspiracy to commit wire fraud on April 18, 2025.

“Serhat Gumrukcu is a ruthless criminal whose greed drove him to order the death of his own business partner,” FBI Special Agent Craig L. Tremaroli said. “Today, our thoughts are with Gregory Davis’s family.”

Gumrukcu faces a mandatory life sentence. However, his sentencing was cont

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