Thomas Weir Pauken II, 50, an American citizen who lived and worked in the People’s Republic of China (PRC), pleaded guilty today to acting as an agent of a foreign government within the United States.
According to court documents, from at least 2019 until February 2026, Pauken worked at the direction and control of people he knew worked for the PRC, including a person he met in 2017 identified as “Cathy.”
Cathy provided Pauken with taskings, including meeting with potential intelligence assets, providing them with devices such as a laptop and cellphone to communicate with Cathy, providing tasks for the assets on what information was required, and providing Cathy with reports from the assets.
“Pauken admitted to being part of a conspiracy to obtain sensitive information from the U.S. government for the PRC,” said Assistant Attorney General for National Security John A. Eisenberg. “His actions are a betrayal of this Nation and pose an unacceptable risk to our national security. NSD remains committed to safeguarding information essential to our national security, including through appropriate prosecution.”
Pauken received at least $100,000 for his work with Cathy. Cathy also paid for Pauken to travel several times between 2019 through 2025 from China to meet with individuals in the United States who could provide Pauken, and ultimately Cathy and the Chinese Ministry of State Security (MSS), with information.
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“By his own admission, not only did Thomas Pauken attempt to infiltrate U.S. political circles at the direction of China’s Ministry of State Security, but he gathered intelligence on his American targets and reported it back to his Chinese intelligence handlers,” said Assistant Director Roman Rozhavsky of the FBI’s Counterintelligence and Espionage Division. “This case illustrates the lengths to which the Chinese Communist Party will go to undermine our democratic institutions and degrade our political freedoms, but it also demonstrates the FBI’s resolve to defend the homeland from threats to our national security. Let this plea serve as a clear warning: If you attempt to help a foreign adversary as an unregistered agent in the U.S., the FBI will find you and bring you to justice.”
Pauken worked for two other people in China whom he met in 2017 and knew as “Richard” and “William.” They told Pauken that reports he wrote for them went to Japan, but Pauken believed they worked for the PRC government.
Thomas Weir Pauken II, 50, an American citizen who lived and worked in the People’s Republic of China (PRC), pleaded guilty today to acting as an agent of a foreign government within the U.S.
— National Security Division, U.S. Dept of Justice (@DOJNatSec) June 4, 2026
“Pauken admitted to being part of a conspiracy to obtain sensitive information from the… pic.twitter.com/TvpFGbARlp
Pauken is scheduled to be sentenced on Sept. 1 and faces a maximum penalty of 10 years in prison. A federal district court judge will determine any sentence after considering the U.S. Sentencing Guidelines and other statutory factors.
The FBI Philadelphia Field Office investigated this case with assistance from the FBI’s Washington Field Office.
Trial Attorney Eli Ross of the National Security Division’s Counterintelligence and Export Control Section and Assistant U.S. Attorney Gavin R. Tisdale for the Eastern District of Virginia are prosecuting the case.
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