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China detains US nuclear test expert Youlin Chen for 18 months on spying charges

July 15, 2026

Summary

American seismologist Youlin Chen, who studied North Korean nuclear tests, has been detained in China for 18 months on espionage charges. President Trump has urged Xi Jinping to release Chen, whose family maintains he has been wrongfully detained.

How coverage differs

  • Left: American Expert Held by China on Espionage Charges Left-leaning outlets highlight the 18-month detention of American seismologist Youlin Chen in China on espionage charges, emphasizing his family's assertion that he has been wrongfully held. Coverage underscores President Trump's call for Chen's release, framing the situation as a serious human rights concern.
  • Center: Family Claims US Scientist Wrongfully Detained by China Center outlets report the factual details surrounding the detention of American seismologist Youlin Chen in China for 18 months on espionage charges. They note Chen's expertise in North Korean nuclear tests and President Trump's appeal for his release.

Coverage by lane

Left

  • US expert on underground nuclear tests detained in China for 18 months - CNN

Center

  • China detains US scientist who studied North Korea nuclear tests

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