Ri is suspected of having lured a Vietnamese woman, Doan Thi Huong, into the plan to kill Kim Jong Nam, the agency reported, adding that she and Indonesian Siti Aisyah allegedly smeared prohibited chemical weapon VX nerve agent on Kim Jong Nam's face.
Both Doan and Siti claimed that they thought it was part of a prank, according to the agency.
On February 13, Kim Jong Nam, traveling by the name of Kim Chol, was killed at the Kuala Lumpur International Airport. Malaysian investigators suspect that he was killed with a VX nerve agent. The substance is listed as a chemical weapon by the Chemical Weapons Convention and classified by the United Nations as a weapon of mass destruction.
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