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Molotov cocktail thrown at OpenAI CEO Sam Altman's home

Crime & justiceCrime
Fire truck in front of burning wooden house with high flames
Key Points
  • A Molotov cocktail was thrown at Sam Altman's San Francisco home on April 10, 2026, causing no injuries.
  • Suspect Daniel Moreno-Gama, 20, was arrested with kerosene, a lighter, and an anti-AI manifesto.
  • Moreno-Gama faces federal and state charges including attempted murder and could face life in prison.

m. m. The suspect allegedly threw an improvised incendiary device that ignited part of an exterior gate before fleeing on foot, according to police.

The San Francisco Police Department stated that a residence in the North Beach neighborhood was affected, and an OpenAI spokesperson confirmed the incident took place at Altman's residence. The firebomb bounced off the building and no one was harmed, Altman later wrote in a blog post. The suspect, identified as 20-year-old Daniel Moreno-Gama, was arrested less than two hours after the attack while allegedly attempting to break into OpenAI headquarters.

According to a federal criminal complaint, Moreno-Gama had traveled from his home in a suburb of Houston, Texas, to San Francisco to carry out the attack. m. and attempted to smash entrance doors with a chair, the complaint states.

He recently suffered a mental health crisis.

Moreno-Gama's parents, Parents of suspect

Moreno-Gama told security he planned to burn the building down and kill anyone inside. Authorities did not publicly identify the suspect in initial reports, but later media accounts named Moreno-Gama. When arrested, Moreno-Gama had a jug of kerosene, a lighter, and an anti-AI manifesto, according to multiple reports.

Surveillance images show the suspect walking up Altman's driveway and throwing a flaming Molotov cocktail at the house. The manifesto allegedly belonging to Moreno-Gama warned of AI's apocalyptic consequences and included a direct message to Altman. Moreno-Gama had a history of posting anti-AI sentiment online, including suggesting 'Luigi-ing some tech CEOs', and had previously appeared on a podcast under a pseudonym to discuss his opposition to AI.

Moreno-Gama faces federal and California state charges including attempted arson and attempted murder. He has not yet entered a plea and faces up to life in prison if convicted. According to The Guardian - Business, Moreno-Gama's parents described him as having recently suffered a mental health crisis.

This was a property crime driven by an acute mental health crisis.

Moreno-Gama's public defender, Public defender

According to The Independent - Main, Moreno-Gama's public defender described the incident as a property crime driven by an acute mental health crisis. Two days after the Molotov cocktail incident, two people were arrested after allegedly firing shots from a car outside Altman's home. m.

local time. Police have not commented on whether shots were fired at Altman himself or his home, and it is unclear if anyone was injured. The two people arrested for the shooting were released from custody and have not been charged.

The San Francisco district attorney's office is investigating to determine if charges will be pressed. Altman addressed the incident in a blog post, calling for de-escalation of the debate around AI. He shared a family photo in the post to dissuade future attacks.

We appreciate SFPD's quick response and the support of the city.

OpenAI spokesperson, OpenAI spokesperson

According to Breakit, Altman described underestimating the power of words, blaming the attack on AI concerns and a New Yorker profile. OpenAI leadership sent a message to staff about the incident, stating there were no injuries and only minimal damage. " OpenAI is cooperating with law enforcement as the investigation continues.

The incident comes amid heightened security concerns around OpenAI's offices, which have faced threats and protests in recent months. The suspect's current mental health condition and its impact on legal proceedings remain unclear. The specific content of the anti-AI manifesto and whether it reveals a broader network or ideology have not been disclosed.

The status of the investigation into the shooting incident and potential charges against the two individuals are still pending. Security measures being implemented for Altman and OpenAI facilities following these incidents have not been detailed. Public and AI community reaction to Altman's call for de-escalation of AI rhetoric has not been widely reported.

m. , and initial reports did not name the suspect while later ones identified Moreno-Gama. Additionally, accounts differ on whether Moreno-Gama was arrested during an alleged break-in attempt at OpenAI headquarters or merely located nearby while threatening arson.

The attacks highlight the intensifying debate over AI safety and the potential for real-world violence stemming from ideological opposition to the technology.

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