On December 11th, 2024, Agents with the Humboldt County Drug Task Force (HCDTF) served a search warrant on Zachary Michael Osborne (age 27), and his residence located in 2000 block of Aldo Court in Eureka. During the months of November and December, the HCDTF received information that Osborne was using controlled substances and manufacturing firearms with a 3D printer inside of his residence. Osborne was previously arrested on December 5th, 2024, for being in possession of a non-serialized firearm and a controlled substance.
Upon HCDTF’s arrival at Osborne’s residence, he was detained at the front door without incident. During the search of Osborne’s residence, Agents located a functional 3D printer connected to a computer. Agents observed several programs on the computer depicting “blueprints” designed to create firearm lower receivers and firearm components with the 3D printer.
Agents also located several spools of 3D printer filament, four complete pistol upper receivers, two incomplete handgun lowers, multiple firearm components for manufacturing handguns, ammunition, a second 3D printer, and multiple items indicative of drug paraphernalia.
At the conclusion of the search warrant, Osborne was transported to the Humboldt County Correctional Facility and booked on the following charges:
11366 HS Operating/maintaining a drug house
29180 PC Illegally manufacturing firearms.
30305 PC Prohibited person possessing ammunition
Anyone with information related to this investigation or other narcotics related crimes are encouraged to call the Humboldt County Drug Task Force at 707-267-9976.