Iran allegedly planned retaliatory drone strike on California: Report

Federal intelligence alert reviewed by ABC News warned of potential retaliatory strikes against the West Coast launched from vessels at sea
Federal authorities warned California police that Iran might use vessels at sea to launch drones toward the West Coast (General Atomics/Getty Images)
Federal authorities warned California police that Iran might use vessels at sea to launch drones toward the West Coast (General Atomics/Getty Images)

WASHINGTON, DC: The FBI issued a warning to law enforcement agencies in California about a potential retaliatory drone attack linked to Iran.

According to an intelligence bulletin reviewed by ABC News on Wednesday, March 11, federal authorities received information indicating that, as of early February 2026, Iran had expressed interest in carrying out a surprise strike using unmanned aerial vehicles (UAVs).

The alert stated that such drones could potentially be launched from an unidentified vessel positioned off the US coast.

While California was referenced as the possible target region, the FBI noted that it currently had “no additional information on the timing, method, target, or perpetrators” connected to the alleged plan.

Intelligence warns Iran may have gear set for strikes

U.S. Coast Guard crew members work on the Cutter James as packages of cocaine and marijuana are offloaded at Port Everglades on February 17, 2022 in Fort Lauderdale, Florida. The Coast Guard offloaded 54,500 pounds of cocaine and 15,800 pounds of marijuana from multiple Eastern Pacific and Caribbean Sea interdictions. The drugs were worth approximately $1.06 billion.
Law enforcement across California is on high alert after intelligence suggested Iran 'aspired' to launch surprise drone strikes from offshore vessels (mycg.uscg.mil)

The warning surfaced as the Trump administration continues military operations against Iran under 'Operation Epic Fury'. In response to those actions, Iran has already launched drone strikes against targets in parts of the Middle East.

US intelligence officials previously raised concerns that Iranian equipment or capabilities could be positioned in advance on land or at sea in the event of US or Israeli military action.

ABC News contributor John Cohen, a former intelligence official at the Department of Homeland Security, said Iran possessed both the relationships and the drone technology that could enable such operations.

US monitors drones used by Mexican criminal groups

CIUDAD JUAREZ, MEXICO - DECEMBER 20: Mexican police observe as Texas National Guard troops block immigrants from entering a high-traffic illegal border crossing area along Rio Grande in El Paso, Texas on December 20, 2022 as viewed from Ciudad Juarez, Mexico. Texas Governor Greg Abbott ordered 400 troops to the U.S.-Mexico border in El Paso, which is under a state of emergency due to a surge of migrants crossing from Mexico into the city. Border officials expect an even larger migrant surge at the border if the pandemic era Title 42 regulation is lifted. (Photo by John Moore/Getty Images)
Intelligence officials are increasingly concerned that Mexican groups are using FPV drone tactics, learned from global conflicts, to target American personnel (John Moore/Getty Images)

US officials are also monitoring a separate concern involving drone use by illegal Mexican groups.

A September 2025 intelligence bulletin reviewed by ABC News referenced unconfirmed reports that leaders of illegal organizations had discussed using drones carrying explosives to target US law enforcement or military personnel near the southern border.

Authorities described such a scenario as unprecedented but possible as syndicate access to drone technology continues to expand.

Cohen noted that Iran maintains networks and contacts in parts of Mexico and South America, which analysts claim could complicate the regional security picture.

US probes possible Iran sleeper cell activations abroad

MINNEAPOLIS, MINNESOTA - JANUARY 14: Federal agents guard a perimeter following a shooting incident as angry residents protest their presence in the city on January 14, 2026 in Minneapolis, Minnesota. According to reports, a federal agent shot a Venezuelan man who was resisting arrest. The Trump administration has sent a reported 2,000 federal plus federal agents into the area, with more on the way, as they make a push to arrest undocumented immigrants in the region. The Trump administration has sent a reported 2,000 federal plus federal agents into the area, with more on the way, as they make a push to arrest undocumented immigrants in the region. (Photo by Scott Olson/Getty Images)
Federal agencies have stepped up monitoring of clandestine radio signals after detecting a broadcast station repeatedly sending coded triggers to sleeper cells (Scott Olson/Getty Images)

Another federal alert reviewed by ABC News indicated that investigators were examining whether Iran might attempt to activate sleeper cells outside the country. 

Authorities recently intercepted an encrypted message believed to have originated from Iranian sources that may have been intended as an operational signal to external assets.

The development reportedly follows the death of Supreme Leader Ali Khamenei. The FBI’s Los Angeles field office and the White House declined to comment on the details of the bulletin.

Officials have advised state and local law enforcement to remain alert as authorities continue assessing potential threats.

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