The attorney general said in a text message that there was insufficient evidence to charge Ri Jong Chol, who had been arrested in Kuala Lumpur four days after the Feb. 13 murder. Ri held a work permit that had been valid till February 6, 2017.
Malaysia has charged a Indonesian woman and a Vietnamese woman with murder. Police also want to question seven other North Koreans, including a senior official in the North Korean embassy in Kuala Lumpur.
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