FBI Alert Reveals Iran’s Alleged Drone Plot Against California Amid Escalating War; Officials Urge Vigilance Despite Low Credibility
By Staff Reporter | March 12, 2026
In a chilling development amid the intensifying U.S.-Iran conflict, the FBI has issued a stark warning to California law enforcement agencies about a potential drone attack orchestrated by Iran from an unidentified vessel off the West Coast.[1][2] The alert, first reported by ABC News and corroborated by multiple outlets, describes intelligence acquired in early February indicating Iran’s “aspiration” to launch unmanned aerial vehicles (UAVs) against unspecified targets in the Golden State as retaliation for anticipated American strikes.[1][4]
The Warning in Detail
The FBI bulletin, distributed to agencies including those in the federal Joint Terrorism Task Force at the end of February, states: “We recently acquired information that as of early February 2026, Iran allegedly aspired to conduct a surprise attack using unmanned aerial vehicles from an unidentified vessel off the coast of the United States Homeland, specifically against unspecified targets in California, in the event that the US conducted strikes against Iran.”[1][2] Notably, the alert provides no specifics on timing, method, exact targets, or perpetrators, underscoring its preliminary nature.[1][5]
This intelligence surfaced just before the Trump administration’s Operation Epic Fury commenced on February 28, when U.S. and Israeli forces launched joint airstrikes that killed Iran’s Supreme Leader Ali Khamenei, plunging the region into open warfare.[4] Iran has since retaliated with drone strikes across the Middle East, heightening fears of asymmetric responses on U.S. soil.[1]
Officials Downplay Immediate Threat
Despite the alert’s gravity, California officials and counter-terrorism experts have sought to temper public alarm. Sources familiar with the memo, speaking to the Los Angeles Times, described it as “cautionary in nature” with “no credible intelligence to support it” at this time.[2] One counter-terrorism expert noted that the warning stemmed from U.S. Coast Guard intelligence but has not been deemed actionable.[2]
Governor Gavin Newsom’s office emphasized proactive measures, stating: “The Governor’s Office of Emergency Services is actively working with state, local and federal security officials to protect our communities.”[1][5] Newsom himself, at a recent news conference, confirmed awareness of the threat, noting that his administration activated the State Operations Center immediately after the war’s onset and has been collaborating with local authorities on drone-related risks, which were already a “top of mind” concern.[4]
The FBI’s Los Angeles office and the White House declined to comment on the bulletin.[1][2] President Trump, addressing broader Iranian threats including potential sleeper cell activations, asserted confidence in U.S. preparedness: “They’ve been trying for a long time, and we’ve been very much on top of it.”[3]
Broader Context of Iranian Threats
The drone warning fits into a larger pattern of alerts about Iranian capabilities on U.S. soil. Federal authorities have detected a likely Iranian-encoded broadcast that could serve as an “operational trigger” for sleeper assets, relayed across multiple countries.[3] Experts like retired LAPD Assistant Chief Horace Frank highlight Iran’s historical use of proxies and sleeper cells, now amplified by desperation following leadership losses.[3]
Intelligence concerns extend to Iran’s foothold in Mexico and South America, where relationships with cartels—who increasingly deploy drones—could facilitate attacks near the U.S. border.[1] Security analyst Cohen warned: “Iran has an extensive presence in Mexico and South America, they have relationships, they have the drones and now they have the incentive.”[1] U.S. Cyber Command has disrupted Iranian communications, but threats like cyberattacks and lone-wolf operations persist.[3]
California’s Military Vulnerability
California, home to over 157,000 active-duty personnel, faces unique risks. Military families express fears of a protracted “forever war,” while bases could be prime targets.[3] A congressman recently stated U.S. troops are “extremely prepared” for Iranian drone attacks, amid reports of 140 wounded service members from ongoing airstrikes.[6]
Drone proliferation adds complexity; Mexican cartels’ use of UAVs near the border has long worried officials, potentially intersecting with Iranian tech transfers.[1] Pre-positioned equipment on ships or land remains a key intelligence focus.[1]
Expert Perspectives and Preparedness
While no specific plots have materialized, the alerts underscore the value of information-sharing. “The FBI is smart for putting this warning out so that state and locals can better prepare,” said Cohen.[1] Local strategies, enacted post-war declaration by the FBI and DHS, include heightened vigilance without panic.[2][3]
Joint Chiefs Chairman Gen. Dan Caine highlighted cyber successes that have hamstrung Iran’s coordination.[3] Nonetheless, analysts caution that assassinating Khamenei may spur bolder asymmetric tactics, including Strait of Hormuz disruptions to “cause pain.”[6]
Timeline of Key Events
- Early February 2026: U.S. acquires intel on Iran’s drone attack aspirations.[1][4]
- Late February 2026: FBI distributes alert to California police.[1][4]
- February 28, 2026: U.S.-Israel airstrikes kill Khamenei, igniting war.[4]
- March 11, 2026: ABC News breaks story; officials respond.[1]
As the conflict rages, California remains on edge, balancing caution with calm. Enhanced inter-agency coordination offers reassurance, but the specter of Iranian retaliation lingers over the nation’s most populous state.
This article synthesizes reports from ABC News, Los Angeles Times, FOX 11, and related coverage.