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.

Frequently Asked Questions (FAQ)


Wanying “Heather” Zhang, a 34-year-old real estate agent from Irvine, California, was arrested by the FBI on Oct. 4 as she prepared to board a flight to Shanghai.

She faces a federal charge of acting in the United States as an unregistered agent of the Chinese government.

The offense carries a maximum sentence of 10 years in prison if she is convicted.

The complaint describes a close relative of a senior Taiwanese official. U.S. law enforcement sources identified the target as Lai Ting-yu, the son of Taiwanese President Lai Ching-te, who lives in the Seattle area.

The FBI alleges she photographed and recorded the family at their residence in September 2025 and sent photos, video and license-plate information to a Chinese government contact.

Taiwan’s Presidential Office condemned the alleged operation as “transnational repression” and 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.

Prosecutors argued she posed a significant flight risk, citing family, financial and travel ties to China. She had offered more than $1.2 million in property as security, and her defense attorney disputed the government’s characterization.

According to the affidavit, information about the president’s relatives, their homes and vehicles could potentially give Beijing leverage over Taiwan’s leadership during a future conflict.

No. Zhang has not been convicted, and she is presumed innocent unless proven guilty beyond a reasonable doubt.