SANTA FE, N.M. (AP) — Medical investigators have determined that a county sheriff in northern New Mexico died from the toxic effects of fentanyl and alcohol, according to autopsy results made public Thursday.
Rio Arriba County Sheriff Billy Merrifield, 50, was found dead inside his patrol vehicle outside his Abiquiu home on Easter morning following a minor crash.
The death of the popular sheriff — retained by voters in 2022 after his initial appointment — touched off investigations involving state police. Forensic experts at the New Mexico Office of the Medical Investigator found that the death was accidental, citing the lethal effects of fentanyl and alcohol.
The determination adds to a grim tally of opioid-related overdoses and deaths in the Española Valley and nearby communities amid a proliferation of fentanyl.
“It just frightens people in terms of knowing it’s here and it’s so dangerous,” said Leslie Hayes, a family physician in Española who specializes in treating opioid use disorders. “It’s scary.”
New Mexico routinely ranks among the top states in the American West for drug overdose deaths, though rates declined somewhat between 2021 and 2023. Fentanyl was involved in 65% of overdose deaths statewide in 2023, according to New Mexico Health Department statistics.
Rio Arriba County commissioners have sworn in Lorenzo Aguilar to lead the sheriff’s office.
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