Meng Hongwei, the Chinese head of the worldwide police organisation Interpol, was reported missing by his wife in September.
France has launched an investigation into Interpol President Meng Hongwei's whereabouts, after the chief's wife reported his disappearance to authorities on September 29.
Meng has 40 years of experience in law enforcement, and his term as president of Interpol runs until 2020.
Prior to that, he had served as Deputy Minister of Public Security of China, and also headed the National Central Bureau of Interpol in the PRC.
Interpol President Meng Hongwei in Lyon, France, in May 2018.
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Meng Hongwei, the director of Interpol, is reportedly missing.
But diplomats say the role of interpol president is largely ceremonial, with day-to-day work carried out by its secretary general Juergen Stock and his staff.
Critics suggested that Meng's election gave Beijing a chance to enlist more worldwide help in tracking down alleged economic criminals, including corrupt officials, targeted by President Xi Jinping's anti-graft campaign.
Neither Interpol nor Chinese authorities have made any official statement about Meng's disappearance or the investigation so far.
When Meng was named Interpol's president in November 2016, human rights groups expressed concern that Beijing might try to leverage his position to pursue dissidents overseas.
Meng's wife, who has remained in Lyon with their children according to police sources, was receiving protection, it said, adding: "Exchanges with Chinese authorities continue".