The U.S. government charged a father-daughter team of North Korean nationals for illegally using the U.S. financial system to trade with North Korea, according to a U.S. government complaint filed on Sept. 11.

Ri Jong Chol was previously a suspect in the murder of North Korean leader Kim Jong Un’s half brother, Kim Jong Nam, who was poisoned using a VX nerve agent at Kuala Lumpur Airport in 2017. Ri was arrested shortly after Kim’s death, but was deported and blacklisted from Malaysia upon his release due to lack of evidence.

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