According to Le Parisien sources, Meng is suspected of assisting a certain company in obtaining a cybersecurity contract, and is currently under investigation.
Chinese media said later that Meng, who also serves as the Chinese deputy public security minister, was taken for interrogation soon after landing in China a week ago.
Meng assumed office in November 2016. He has held various positions within China's Ministry of Public Security in his decades-long career. According to Interpol's website, Meng Hongwei served as Vice Minister of Public Security in China.