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By Gabe Whisnant and Joshua Rhett Miller
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A 20‑year‑old man accused of throwing a Molotov cocktail at the San Francisco home of OpenAI CEO Sam Altman and making threats against the company’s headquarters was arrested early Friday, police and the company said.
Why It Matters
The arrest highlights growing security concerns for high‑profile tech executives as artificial intelligence (AI) companies face intense public scrutiny and backlash over the rapid expansion of the technology. Altman, chief executive of OpenAI, has emerged as one of the most visible figures in the global debate over AI’s economic, political and social impact, placing him—and his company—at the center of broader public tensions.
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While authorities have not publicly disclosed a motive, the incident underscores worries among law enforcement and industry leaders about the risk of real‑world violence stemming from online threats or political polarization. The case also draws attention to how threats against private residences and corporate offices can intersect, raising broader questions about safety for tech workers and executives as AI continues to reshape public life.

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What to Know
San Francisco police said officers responded shortly after 4 a.m. to a residence following reports of a fire. Investigators determined that someone had thrown an incendiary device at the home, igniting an exterior gate before fleeing on foot. No injuries were reported.
Less than an hour later, police were called to a business in another part of the city after receiving a report of a man threatening to burn down the building. Officers arriving at the scene recognized the man as the suspect in the earlier incident and detained him, the department said in a post on social media. Authorities have not publicly identified the suspect.
The San Francisco Police Department (SFPD) told Newsweek in a statement, "At approximately 5:07 a.m., SFPD officers responded to a business on the 1400 block of 3rd street regarding an unknown male subject threatening to burn down the building. When officers arrived on scene, they recognized the male to be the same suspect from the earlier incident and immediately detained him. Through the course of the investigation, officers developed probable cause to place a 20-year-old male under arrest."
OpenAI said in a statement that the residence targeted belongs to Altman and confirmed that threats were also made at the company’s San Francisco headquarters. The company said no one was hurt and that it is assisting law enforcement with the investigation.
OpenAI told Newsweek via email, "Early this morning, someone threw a Molotov cocktail at Sam Altman’s home and also made threats at our San Francisco headquarters. Thankfully, no one was hurt. We deeply appreciate how quickly SFPD responded and the support from the city in helping keep our employees safe. The individual is in custody, and we’re assisting law enforcement with their investigation."
What Happens Next
Police said charges had not yet been filed as of Friday and declined to release additional details, citing an ongoing investigation.

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Update: 4/10/26, 5:44 p.m. ET: This article was updated with new information.
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