Suspect in Attack on OpenAI CEO's Home Aimed to Kill, Warned of AI Extinction

Prosecutors say Daniel Moreno-Gama threw a Molotov cocktail at Sam Altman's residence and threatened to burn down OpenAI's headquarters

Apr. 13, 2026 at 11:27pm by

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A highly detailed, glowing 3D macro illustration of a futuristic AI control panel or cybersecurity infrastructure, with neon cyan and magenta lights illuminating the complex circuitry and hardware, conceptually representing the tensions and risks within the AI industry.As tensions over AI technology escalate, a recent attack on an OpenAI executive's home exposes the growing concerns and potential risks within the industry.San Francisco Today

A man accused of throwing a lit Molotov cocktail at the home of OpenAI CEO Sam Altman last week was trying to kill him, and was motivated by hatred of artificial intelligence technology, prosecutors said. The suspect, Daniel Moreno-Gama, is being charged with attempted murder and other federal charges. Police recovered a document from Moreno-Gama that detailed his intentions to kill Altman and warned of humanity's "impending extinction" from AI.

Why it matters

This attack highlights the growing tensions and concerns around the rapid development of AI technology, with some individuals expressing extreme views and a willingness to use violence. It raises questions about the security risks faced by AI leaders and the need for better safeguards and de-escalation of rhetoric within the industry.

The details

According to the complaint, Moreno-Gama threw a lit Molotov cocktail-style incendiary device at Altman's home around 3:37 a.m. on Friday, causing a fire at the top of the driveway gate. Moreno-Gama then went to OpenAI's headquarters around 5 a.m., threw a chair against the glass doors, and threatened to "burn it down and kill anyone inside." He was arrested at the scene. The document recovered from Moreno-Gama detailed his intention to kill Altman and warned of humanity's "impending extinction" from AI.

  • On Friday, April 11, 2026, Moreno-Gama threw a lit Molotov cocktail-style device at Altman's home around 3:37 a.m.
  • On Friday, April 11, 2026, Moreno-Gama went to OpenAI's headquarters around 5 a.m. and threatened to "burn it down and kill anyone inside."

The players

Daniel Moreno-Gama

The suspect who is being charged with attempted murder and federal charges for the attack on Sam Altman's home and OpenAI's headquarters.

Sam Altman

The CEO of OpenAI, a research company that develops artificial intelligence technology.

OpenAI

A research company that deploys and develops artificial intelligence technology and operates in interstate and foreign commerce.

FBI

The Federal Bureau of Investigation, which is assisting with the investigation into the attack.

San Francisco Police Department

The local law enforcement agency that responded to the incidents and recovered the document detailing Moreno-Gama's intentions.

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What they’re saying

“This was not spontaneous. This was planned, targeted and extremely serious.”

— Matt Cobo, FBI Acting Special Agent in Charge

“The charges announced today reflect a deeply concerning escalation from intent to action targeting a private residence and a technology company with violence.”

— Matt Cobo, FBI Acting Special Agent in Charge

What’s next

The judge will decide on Tuesday whether to allow Moreno-Gama to be released on bail. The FBI and its partners are also continuing their investigation, including the operation conducted in Texas related to the attack.

The takeaway

This incident highlights the growing tensions and concerns around the rapid development of AI technology, with some individuals expressing extreme views and a willingness to use violence. It raises questions about the security risks faced by AI leaders and the need for better safeguards and de-escalation of rhetoric within the industry.