California man arrested after fortified underground bunker found with weapons cache

Michael Kamfolt, 40, of Anderson, is now facing nearly a dozen weapons-related charges, including possession of an assault rifle and manufacturing of a ghost gun, after his arrest by the California Highway Patrol. He was taken into custody as part of an investigation into a suspected illegal marijuana cultivation operation on a property in Anderson, authorities said.

In a search of the property Jan. 20, "officers discovered an underground bunker accessible through a 100-foot-long culvert," according to CHP.

"The bunker was equipped with power, ventilation, a concrete floor with built-in drainage and the necessary supplies to cultivate marijuana," CHP said in a statement. 

CHP also said it received a tip about the property in December 2025 before returning this month with a search warrant, which "led to an illicit cannabis cultivation operation and underground bunker." 

"Dude was just preparing for the apocalypse," said another.