On Nov. 20, 2022, at about 3:10 p.m., Humboldt County Sheriff’s deputies were dispatched to a residence on the 4000 block of F Street, in the county’s jurisdiction of Eureka, for the report of a domestic violence incident with a stabbing victim.

Deputies arrived at the residence and located an adult female victim with serious injuries. She was transported to a local hospital for medical attention. While at the residence, deputies also contacted and detained 42-year-old Robert James Duncan. Through further investigation, deputies learned that Duncan reportedly physically assaulted the victim and then stabbed her following a disagreement.

Duncan was booked into the Humboldt County Correctional Facility on charges of attempted murder (PC 664/187(a)), inflicting corporal injury on a spouse (PC 273.5(a)) and child endangerment (PC 273a(a)).

Anyone with information about this case or related criminal activity is encouraged to call the Humboldt County Sheriff’s Office at (707) 445-7251 or the Sheriff’s Office Crime Tip line at (707) 268-2539.

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Robert James Duncan Booking Photo | Humboldt County Correctional Facility