US officials are questioning how Nvidia missed warning signs as its restricted AI chips continued to flow into China. A Bloomberg investigation published on October 1, 2026 revealed red flags that Nvidia’s oversight mechanisms failed to catch, including surveillance footage showing labels being stripped from servers. Greg Lui, a California resident, was arrested the same day on charges of conspiracy, smuggling, and money laundering for allegedly trafficking over $300 million in servers equipped with Nvidia chips to China between 2023 and 2024. In March 2026, the Department of Justice had already indicted three individuals linked to Super Micro Computer for allegedly falsely routing approximately $510 million in Nvidia-loaded servers to China, bringing the total alleged diversions to over $800 million. Senators Jim Banks and Elizabeth Warren sent letters to Commerce Secretary Howard Lutnick requesting a review of Nvidia’s export licenses, citing inadequate monitoring by the company.
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