He worked in the shadows, using at least 20 aliases: some knew him as “Mr Haha” or as “Brother Wang”. To others he was “Mr T” or “Nelson Mandela” apparently reflecting his childhood heroes. To his neighbours in Mexico City, he was just “Pancho”.
His scruffy appearance and diminutive size gave few clues that he was, according to the US authorities, an immensely wealthy kingpin who bridged the gap between China and the two most powerful drug cartels in the world.
