What is Interpol?

Meng Hongwei, the head of Interpol (the international police organization), disappeared mysteriously during his trip to China in late September. It was then revealed that he was detained by the Chinese authorities on corruption charges. Yet no one seems to know the real reason behind the detention. Let’s take a closer look at the organization that Meng worked for. What is Interpol, and what is China’s involvement in the organization?