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Authorities in California have apprehended a man after uncovering a concealed, fortified bunker teeming with a disconcerting collection of illegal firearms and ammunition. This discovery has led to the arrest of 40-year-old Michael Kamfolt from Anderson, who now faces a slew of nearly a dozen charges related to weapons offenses, including possession of an assault rifle and the manufacturing of a ghost gun.
The arrest was the culmination of a California Highway Patrol investigation into what was initially suspected to be an illegal marijuana cultivation operation on Kamfolt’s property. However, the findings revealed a far more complex and dangerous setup than anticipated.
CHP Northern Division Chief John Pinoli remarked on the seriousness of the situation, stating, “This operation went far beyond an illegal grow. The combination of a hidden bunker and an alarming cache of illegal firearms and ammunition highlights the threat posed to public safety.”
During a search conducted on January 20, officers stumbled upon an underground bunker, ingeniously concealed and accessible only through a 100-foot-long culvert, as described by the CHP.
Images released by the California Highway Patrol provide a glimpse into the concealed bunker found on Kamfolt’s property, underscoring the sophisticated measures taken to obscure its existence.
“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.
“In addition to the bunker, officers seized 13 firearms, four soft body armor vests, 30 high-capacity magazines, and approximately 10,000 rounds of ammunition, including armor-piercing rounds,” it added. “Among the seized firearms were a sawed-off shotgun, three AR-15 style assault rifles, one with an obliterated serial number, and two firearms reported stolen in 2016 and 1978 respectively.”
The California Highway Patrol said a massive weapons cache was found inside the bunker, shown at left. (CHP)
CHP also said they 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.”
The CHP’s announcement drew plenty of reactions from commenters on Facebook, with one saying in response to their post, “Bros got an absolute dream prep setup.”
A 100-foot-long tunnel led to the bunker in Anderson, the California Highway Patrol said. (CHP)
“Dude was just preparing for the apocalypse,” said another.