U.S. authorities have arrested a 34-year-old California real estate agent accused of acting as an unregistered agent of China and conducting surveillance on relatives of Taiwanese President Lai Ching-te.
Wanying “Heather” Zhang, a resident of Irvine, California, was arrested by the FBI on Oct. 4 at Los Angeles International Airport (LAX) as she was preparing to board a flight to Shanghai, according to the U.S. Department of Justice. She has not been convicted, and the allegations have not been proven in court.
Oct. 4
Arrested at LAX Before Shanghai Flight
Up to 10 Years
Maximum Sentence if Convicted
Sept. 2025
Alleged Surveillance in Seattle Area
In Custody
Ordered Detained on Flight-Risk Grounds
The Case Timeline, According to Investigators
- 2010–2014Zhang attended Beijing’s University of International Relations, an institution the FBI says has close ties to China’s Ministry of State Security.
- 2025Investigators allege she met a Chinese official during a trip to China and later agreed to carry out the surveillance mission.
- Sept. 2025According to the complaint, she traveled to the Seattle area with another person and carried out surveillance of a close relative of a senior Taiwanese government official.
- Oct. 4The FBI arrested her at LAX as she prepared to board a flight to Shanghai.
- Oct. 5She appeared in federal court in Los Angeles and was later ordered to remain in custody.
What the Complaint Alleges
The Alleged Surveillance
The complaint says Zhang and another person rented a vehicle, went to the family’s residence and appeared to photograph and record the family as they arrived home.
Alleged Contact With Officials
The FBI alleges she sent photographs, video and vehicle license-plate information to a Chinese government contact. In messages investigators say they recovered from her iCloud account, she allegedly said she had seen the target and was recording video.
U.S. law enforcement sources identified the alleged target as Lai Ting-yu, the son of President Lai, who lives and works in the Seattle area. Taiwanese officials have confirmed that relatives of the president were targeted, although the complaint itself does not publicly name the individual. According to an FBI affidavit reported by Taiwan’s Central News Agency, Zhang is also suspected of previously being asked to gather information connected to a Taiwanese elected official known for vocal opposition to the Chinese Communist Party.
Why Investigators Say It Matters
FBI Special Agent Kevin Holt wrote in the affidavit that information about the location of the president’s relatives, their homes and vehicles could potentially provide Beijing with leverage over Taiwan’s leadership during a future conflict. The investigation also alleges that Zhang maintained contact with people she understood to be connected to the Chinese government.
Reactions From Taipei and Beijing
Taiwan’s Presidential Office
Condemned the alleged operation as a case of “transnational repression,” accusing Beijing of attempting to intimidate Taiwanese people and their families beyond Taiwan’s borders. Taipei also thanked U.S. authorities for protecting Taiwanese citizens.
China’s Foreign Ministry
Said it was not familiar with the specific case and criticized what it described as sensationalized accusations of Chinese espionage.
Detention Hearing
Zhang had offered more than $1.2 million in property as security for her release. Prosecutors argued she posed a significant flight risk, citing her connections to China, including family members living there, financial ties and international travel. Her defense attorney disputed the government’s characterization of her circumstances.
She faces a federal charge of acting in the United States as an unregistered agent of the Chinese government, an offense carrying a maximum sentence of 10 years in prison if convicted.
Wider Context
The case comes amid heightened tensions between Washington and Beijing and growing concerns in Taiwan about Chinese influence and intelligence operations abroad. Taiwan has long accused China of attempting to pressure or intimidate its officials and citizens, while Beijing claims Taiwan as part of its territory despite the island’s self-government.
Zhang has not been convicted, and the allegations in the criminal complaint have not been proven in court. Under U.S. law, she is presumed innocent unless proven guilty beyond a reasonable doubt.