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Federal agents raided a home in Spring, Texas, on Monday (April 13) as part of an investigation into a Molotov cocktail attack on the San Francisco residence of OpenAI CEO Sam Altman. The FBI confirmed agents carried out “court-authorized law enforcement activity” at the Texas address, which is linked to 20-year-old Daniel Alejandro Moreno-Gama, the suspect accused of targeting Altman’s home on April 10.
Authorities said that Moreno-Gama traveled from Texas to San Francisco, where he allegedly threw an incendiary device at Altman’s Russian Hill home just before 4 a.m. The device set an exterior gate on fire but did not injure anyone, as security personnel quickly put out the flames.
About an hour after the attack, authorities say a man threatened to burn down OpenAI’s headquarters in San Francisco. Police recognized him as the same suspect from the earlier incident and detained him at the scene. Moreno-Gama was arrested and booked in San Francisco County Jail on suspicion of attempted murder, making criminal threats, and possession of a destructive device.
Investigators say Moreno-Gama’s actions were driven by strong anti-artificial intelligence views. He carried a manifesto listing other AI executives and investors, expressing concern that artificial intelligence poses an “existential risk” to humanity. Online writings linked to Moreno-Gama also described his belief that AI technology must be stopped quickly.
OpenAI confirmed that Altman’s home was targeted and said no one was hurt. The company stated it is cooperating with investigators and commended San Francisco police for their swift response. In a personal blog post after the incident, Altman called for less dangerous rhetoric and “fewer explosions in fewer homes — figuratively and literally.”
Federal charges are expected to be filed, including attempted damage and destruction of property by means of explosives and possession of an unregistered firearm. Moreno-Gama already faces multiple state felony charges related to the attack. The investigation is ongoing, with federal officials indicating more details will be released soon.