BUSTED: Hospital Researchers Sold Secrets to China

A federal judge stripped U.S. citizenship from a Chinese couple who stole American medical secrets and sold them to communist China for nearly $1.5 million, exposing how lax immigration enforcement allowed foreign spies to exploit our system for a decade.

Story Snapshot

Li Chen and Yu Zhou lost citizenship after stealing pediatric medical trade secrets from Nationwide Children’s Hospital worth $2.6 million
Chinese government paid the couple $1.5 million through state agencies while they worked at American research facility
Couple established biotech company in China using stolen American innovation for exosome isolation technology
Trump administration secured 13 denaturalization cases with 16 pending as part of immigration integrity push

Citizenship Revoked After Decade-Long Espionage Scheme

U.S. District Judge James E. Simmons Jr. revoked the naturalized citizenship of Li Chen and Yu Zhou on March 30, 2026, following their guilty pleas to conspiracy charges involving theft of trade secrets and wire fraud. The married couple, who entered America on H-1B visas in 2007 and 2008 respectively, worked as researchers at Nationwide Children’s Hospital in Columbus, Ohio, where they systematically stole proprietary exosome isolation technology used in pediatric medical treatments. Their crimes involved moral turpitude, making their 2016 naturalization illegal under federal law.

Chinese State Funding Fueled Medical Technology Theft

Chen and Zhou received nearly $1.5 million from China’s State Administration of Foreign Expert Affairs while simultaneously employed at the American children’s hospital. The couple sold stolen intellectual property for financial gain, acquired shares in companies exploiting the technology, and established their own biotech firm in China using NCH’s proprietary secrets. They worked in separate hospital laboratories for approximately a decade before federal authorities arrested them in 2019. Chen received a 30-month prison sentence while Zhou got 33 months, with both ordered to pay $2.6 million in restitution jointly.

Immigration System Exploited for Foreign Espionage Operations

Attorney General Pamela Bondi condemned the case as “an unacceptable abuse of our immigration system,” highlighting how the couple gained citizenship after committing serious crimes against Americans. The denaturalization proceedings occurred in California’s Southern District despite the crimes taking place in Ohio, reflecting the federal government’s expanded jurisdiction in immigration fraud cases. This case represents one of 13 successful denaturalization actions secured under the Trump administration’s second term, with 16 additional cases pending as of March 2026.

The revocation stems from provisions in 8 U.S.C. § 1451, which allows citizenship cancellation when obtained illegally through concealment of moral turpitude crimes or lack of good moral character. Federal law experts note that wire fraud and trade secret conspiracy clearly meet moral turpitude standards under Immigration and Nationality Act requirements. The Economic Espionage Act of 1996 and post-9/11 immigration enforcement expansions provide the legal framework for prosecuting such cases involving theft of American innovation for foreign governments.

Protecting American Innovation From Foreign Threats

The stolen exosome isolation technology holds significant value for pediatric medical care, representing years of American research investment at a children’s hospital dedicated to saving young lives. The case sends a clear deterrent signal to H-1B visa holders in STEM fields who might consider stealing intellectual property for foreign entities. Research institutions and hospitals now face heightened vigilance requirements against insider threats, particularly involving employees with ties to adversarial nations. The denaturalization and potential deportation following supervised release demonstrate consequences for exploiting American hospitality to benefit communist regimes.

This enforcement action protects American economic security and research integrity while addressing legitimate concerns about foreign espionage networks operating within our borders. The couple faces deportation after completing their supervised release periods, expected to end around 2025-2026. Their case underscores the need for stronger vetting procedures and ongoing monitoring of individuals working in sensitive research positions, especially those with access to proprietary medical technologies that could provide strategic advantages to geopolitical competitors seeking to undermine American innovation leadership.