LOS ANGELES — A Southern California man who once worked as the treasurer for the city council campaign of an Arcadia politician pleaded guilty Monday, Oct. 27, in downtown Los Angeles to illegally acting on behalf of the People’s Republic of China.

Yaoning “Mike” Sun , 65, of Chino Hills, entered a plea in downtown Los Angeles to a federal count of acting as an illegal agent of a foreign power, according to the U.S. Department of Justice.

Sentencing is set for Feb. 9, at which time Sun could face up to 10 years behind bars.

Court papers show Sun worked for an unnamed Southern California politician who was running for city council of a city in the area — not named in court documents — three years ago. The candidate was elected to the council in November 2022.

Sources familiar with the

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