Jonathan Tyler Gauthier, a fentanyl dealer in San Diego, has been sentenced to 30 years in federal prison. He continued selling the drug despite it causing two fatal overdoses within four months. The court found that Gauthier sold fentanyl leading to the deaths of Sam Guest, aged 24, and Jesse White, aged 27, in late 2022. Despite these incidents, he kept distributing fentanyl until his arrest.
U.S. District Judge Janis L. Sammartino described the case as “one of the most tragic” she had encountered. U.S. Attorney Adam Gordon stated, “This 30-year sentence sends a stark message: If you deal fentanyl and show no regard for the deadly consequences, you will be held fully accountable.”
Shawn Gibson from Homeland Security Investigations emphasized their commitment to tackling fentanyl distribution alongside law enforcement partners. Jacob Galvan of the DEA highlighted that dealing drugs like fentanyl is not victimless, with lives lost and families affected.
Sam’s mother recalled him as kind-hearted and joyful, while Jesse’s family remembered his love for football and devotion to family. Both families continue to mourn their losses.
The government’s sentencing memorandum outlined Gauthier’s awareness of fentanyl’s dangers and his persistent criminal activities even after the deaths. His criminal record included previous offenses related to robbery and narcotics.
Assistant U.S. Attorney David Fawcett prosecuted the case with investigations led by various agencies including the DEA’s Overdose Response Team and Homeland Security’s Fentanyl Abatement and Suppression Team (FAST).
Gauthier was charged under 21 U.S.C. § 841(a)(1) for distributing fentanyl, facing a maximum penalty of twenty years per count.


