How Sheriff Billy Merrifield died from a fentanyl overdose is still a mystery to New Mexico State Police investigators, ...

The state's reasoning for withholding police reports from a sheriff's death investigation could conflict with court rulings.

Nearly two months after the death of Rio Arriba County Sheriff Billy Merrifield, New Mexico State Police continue to ...

A month and a half after Rio Arriba County Sheriff Billy Merrifield died from a fatal combination of alcohol and fentanyl, those investigating his death still don't know how he consumed the drug. An ...