The FBI on Sunday arrested a 34-year-old California woman who has been charged with acting as an unregistered agent for China and allegedly surveilled the Taiwanese president's son and his family, federal officials said.

Wanying  Heather  Zhang, of Irvine, allegedly surveilled a close relative of a Taiwanese government official after traveling to Seattle in 2025, according to a federal complaint.

The complaint signed on Saturday alleged Zhang was directed by Chinese officials to gather information about and take photos of the relative, who was not named in the complaint. The FBI said in a social media post that Zhang had been surveilling the son of Taiwan president Lai Ching-te and his family.

China's ruling Chinese Communist Party (CCP) views Taiwan as part of its territory, despite having never controlled it and has long vowed to  unify  the island with the Chinese mainland, by force if necessary.

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Lai has long faced Beijing's wrath for championing the sovereignty of Taiwan, a self-ruled democracy of around 24 million people. China's government and state media regularly rebuke him, calling him a dangerous separatist,  troublemaker  and  war maker,  while rejecting his repeated offers for talks.

Zhang and a person referred to as  Individual 1  flew from Las Vegas to Seattle on September 1, 2025, and went to the relative's home, FBI Special Agent Kevin Holt said in the complaint.

Security camera footage from a neighbor showed Zhang and Individual 1 waited outside the unnamed relative's home in a rented black SUV, the complaint says.

When the relative and their family arrived home, Zhang and Individual 1  quickly sat up within a black SUV, took out what appears to be their phones, and held their phones out in a manner indicating that they were taking pictures and/or videos of the family. 

 …the location and pictures of the close relatives of a high-ranking Taiwanese government official, including pictures of their homes and cars, could be useful to the PRC  if the Chinese government  wished to obt

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