Federal authorities have arrested a California woman accused of acting on behalf of the Chinese government without proper registration and carrying out surveillance linked to the family of Taiwan’s president.
The FBI announced the arrest of 34-year-old Wanying “Heather” Zhang on Sunday. According to federal officials, Zhang faces charges related to acting as an unregistered foreign agent in the United States.
Investigators allege that Zhang gathered information and conducted surveillance activities targeting a close family member of a senior Taiwanese government official. Federal authorities later identified the individual as the son of Taiwan President Lai Ching-te and his family.
The case has drawn attention because of growing tensions between China and Taiwan and increasing concerns about foreign influence operations within the United States.
According to a federal complaint filed over the weekend, Chinese officials allegedly directed Zhang to collect information and photographs related to the family member while she was in Seattle during 2025.
The complaint states that Zhang traveled from Las Vegas to Seattle on September 1, 2025, along with another person identified in court documents as “Individual 1.”
Federal investigators say the pair went to the neighborhood where the relative lived and remained near the residence while conducting surveillance.
According to the complaint, security camera footage from a nearby home captured Zhang and the other individual sitting inside a rented black sport utility vehicle parked outside the residence.
Investigators allege that when the family arrived home, the two individuals appeared to use their mobile phones to take photographs or record videos of family members, their vehicles, and the property.
Federal officials argue that such information could have value to the Chinese government because it may provide details about relatives connected to Taiwan’s leadership.
The complaint states that photographs of family members, homes, and vehicles could potentially be used to gain leverage over senior Taiwanese officials during periods of political tension or conflict.
Authorities also allege that Zhang took steps to avoid attracting attention while carrying out the activity.
According to prosecutors, she coordinated travel plans with an associate and used methods designed to reduce the likelihood of detection.
Federal law requires individuals acting on behalf of foreign governments in certain activities within the United States to notify the Attorney General and comply with registration requirements.
Prosecutors allege that Zhang failed to make the required notification despite acting under the direction of foreign officials.
The charge related to acting as an unregistered foreign agent is considered a federal offense and can carry significant penalties if a defendant is convicted.
The FBI announced the arrest through a public statement and said the investigation remains ongoing.
Officials have not released details about whether additional individuals could face charges in connection with the case.
Court records do not indicate whether Zhang has retained legal representation. Authorities have not publicly identified an attorney speaking on her behalf.
Federal agencies involved in the investigation have not disclosed further evidence beyond the allegations contained in the complaint.
The case comes against the backdrop of long-running tensions between China and Taiwan.
China’s government considers Taiwan part of its territory and has repeatedly stated its goal of eventual unification. Taiwan, meanwhile, operates as a self-governing democracy with its own political system, military, and elected leadership.
President Lai Ching-te has frequently faced criticism from Beijing because of his support for Taiwan’s self-rule and sovereignty.
Chinese officials and state media have regularly criticized Lai, accusing him of promoting separation between Taiwan and mainland China. Beijing has also rejected repeated calls from Taiwanese leaders for direct talks.
As tensions continue across the Taiwan Strait, security experts have increasingly warned about intelligence gathering, influence operations, and surveillance activities targeting Taiwanese officials and their families.
Federal authorities have not alleged that any physical harm occurred during the surveillance activity described in the complaint. However, investigators maintain that collecting personal information about relatives of high-ranking officials can create security concerns.
Zhang is scheduled to make her initial appearance in federal court in Los Angeles on Monday. The court hearing is expected to mark the first stage of a legal process that will determine how the case proceeds.
For now, prosecutors continue to pursue the charges while investigators examine the full scope of the alleged surveillance operation.
