FBI Bulletin Warns California Police Departments of Possible ‘Surprise’ Iranian Drone Attack
The FBI warned California police departments that Iran may try to attack the US mainland with drones.
ABC News reviewed an FBI bulletin that revealed the bureau warned police in California that Iran wanted to launch a surprise drone attack against the West Coast.
It is unclear how Iran would be able to even get close enough to launch drones near the mainland US.
The bulletin did not offer any specific details about the drone attack.
ABC News reported:
The FBI warned police departments in California in recent days that Iran could retaliate for American attacks by launching drones at the West Coast, according to an alert reviewed by ABC News.
“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 State Homeland, specifically against unspecified targets in California, in the event that the US conducted strikes against Iran,” according to the alert distributed at the end of February. “We have no additional information on the timing, method, target, or perpetrators of this alleged attack.”
The warning came just as the Trump administration launched its ongoing assault against the Islamic Republic. Iran has been retaliating with drone strikes against targets throughout the Mideast.
#BREAKING: FBI warns California authorities that Iran wants to retaliate for U.S. strike with drone attack on West Coast, according to alert reviewed by ABC News https://t.co/ekRiXZyHsV
— ABC7 Eyewitness News (@ABC7) March 11, 2026
California Governor Gavin Newsom told Fox News that the state has elevated its security posture.
“Newsom’s office told me the state has elevated its security posture since the start of the war & the FBI bulletin was one of several security updates the state receives from federal partners, which are then disseminated to local law enforcement,” Fox News reporter Bill Melugin said.
“The Governor’s Office of Emergency Services is actively working with state, local and federal security officials to protect our communities,” Newsom’s spox said.
NEW: I reached out to California Gov. Newsom’s office to ask about ABC reporting that police in California were warned by the FBI that Iran may seek to attack the state with drones launched from a boat offshore.
Newsom’s office told me the state has elevated its security…
— Bill Melugin (@BillMelugin_) March 11, 2026
According CBS News: “[T]here is no credible intelligence underpinning the bulletin distributed on the unverified possibility that Iran could retaliate for American attacks by launching drones at the West Coast.”
Multiple US and state law enforcement and intel officials told @CBSNews there is no credible intelligence underpinning the bulletin distributed on the unverified possibility that Iran could retaliate for American attacks by launching drones at the West Coast. "This is not… https://t.co/gcdUBdgDX6
— Jennifer Jacobs (@JenniferJJacobs) March 11, 2026
The US and Israel launched a joint military operation against Iran last month dubbed ‘Operation Epic Fury.’
The US has sunk more than 40 Iranian ships, vessels and minelayers.
According to the Pentagon, 7 US service members have been killed in action in Operation Epic Fury.
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