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California Man Sentenced for Spying for China as Campaign Aide

Yaoning Sun covertly supported pro-China political efforts and surveilled targets, leading to a four-year prison sentence for acting as an unregistered agent of the Chinese government.

  • On Monday, Yaoning Sun, 65, of Chino Hills, was sentenced to four years in federal prison after pleading guilty in October to acting as an illegal agent of a foreign government.
  • Throughout 2022 to January 2024, Yaoning Sun, 65, of Chino Hills, obeyed directions from Chinese officials and worked as a campaign adviser helping a politician in Arcadia with donations, some from sources tied to China.
  • During the April 2023 visit of then‑President Tsai Ing‑Wen, Yaoning Sun, 65, of Chino Hills, sent real‑time updates and photographs to Chinese officials while also countering Falun Gong and publishing pro‑PRC propaganda on a joint news site.
  • Federal prosecutors recommended 60 months imprisonment and supervised release, public defenders urged no more than 15 months, and Roman Rozhavsky, assistant director of the FBI's Counterintelligence and Espionage Division, praised the sentence as accountability.
  • Sun cooperated with John Chen , a high-level Chinese intelligence agent who met Xi Jinping and was sentenced in November 2024, aligning with a National Counterintelligence and Security Center bulletin warning that China targets U.S. state and local elected officials.
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California man sentenced to 4 years for acting as Beijing’s agent while working for local politician

A California man has been sentenced to four years in prison for acting as an illegal agent for the Chinese government while working as a campaign adviser for a local politician.

·United States
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  • 35% of the sources lean Left, 35% of the sources are Center
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Whittier Daily News broke the news in on Monday, February 9, 2026.
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