July 14, 2026

American Researcher Faces Espionage Trial in China Amid Strained Relations

Photo taken on Nov. 29, 2024, shows the Beijing No. 2 Intermediate People's Court in the Chinese capital. On the same day, the court gave a seven-year jail term to Dong Yuyu, a former senior editor at a major Chinese newspaper affiliated with the ruling Communist Party who had been accused of leaking information to Japanese diplomats, according to sources familiar with the matter. (Kyodo via AP Images) ==Kyodo

American researcher Youlin Chen, renowned for his studies on North Korea’s nuclear tests, faces trial in China on charges of espionage. Chen risks severe penalties, including the death sentence, as detailed by his wife, Yufang Rong, and advocacy groups.

Details of Detention

Chen, 54, was detained nearly two years ago according to reports by Reuters, citing statements from his wife and other nonprofit organizations that champion the cause of individuals wrongfully detained overseas. This case follows the arrest of Min Zin, a director at a Myanmar-focused think tank, on similar charges.

These developments occur during tense U.S.-China relations, with both nations pursuing a reduction in hostilities concerning trade, security, and technology domains. President Donald Trump has extended an invitation to Chinese President Xi Jinping to Washington, following his own visit to Beijing earlier this year.

Efforts to obtain comments from the Chinese Embassy in Washington, D.C., and the U.S. State Department were made by Newsweek via email.

Diplomatic Maneuvers

Originally from China, Chen gained U.S. citizenship in 2011 and resides in Boston, Massachusetts. He holds the distinction of being the only American in China identified as “wrongfully detained,” a classification formalized by Secretary of State Marco Rubio on March 19.

Chen lacks any U.S. government security clearance. Rong describes the espionage charge against Chen as “both wrong and inconsistent with the public and collaborative nature of the work” he conducted. Eric Lebson, from the hostage advocacy group Global Reach, shared this statement with Newsweek.

The Trump administration has not aggressively publicized this issue to preserve negotiation avenues for releasing Chen. President Trump addressed Chen’s situation with President Xi during their Beijing discussions. Rong recently chose to speak publicly due to a lack of response from Chinese officials, fearing for Chen’s future.

A conviction for espionage might result in penalties ranging from life in prison to the death penalty.

Scrutiny of Chen’s Research

The focus of Chen’s detention is his work analyzing seismic events related to North Korea’s nuclear tests. This includes a study conducted in December 2020 for the State Department analyzing seismic data from North Korea’s nuclear detonations between 2006 and 2017, which includes data taken in China.

Chen has been interrogated over 100 times about his expertise in nuclear matters, according to Rong.

Signatories like China, the U.S., and Russia to the 1996 Comprehensive Nuclear-Test-Ban Treaty have refrained from ratifying it, while upholding voluntary bans on nuclear test explosions.

Yet, U.S. State Department officials revealed in February that China allegedly executed a covert nuclear test in 2020 using decoupling techniques to hinder seismic monitoring. This test coincided with a seismic event detected at Lop Nur, a long-term nuclear test site in Xinjiang.

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