. >> for years journalist zhu ruifeng has been investigating cases of corruption throughout china. he has exposed a number of senior figures and revealed how closely business interests and politics are entangled. >> entrepreneurs have to conspire with the government. it starts when they register their business. if they don't pay, they don't get the authorization or other permits they need. the government controls all aspects of the economy and to do business you have to bribe officials. the people's supervision network is the name of the website where zhu publishes the results of his research. one recent case involves a shopping center in huidong in the south of the country the mall opened in 2007 and went well at first. 1600 businesses moved in; all the stores were occupied. the owner hu weimin had invested 35 million euros in the building. then one day the local police chief came to him and demanded 60,000 euros. >> this is how i see it. there's another shopping center here and its owner is a friend of the police chief. as long as he was doing good business, the chief got his par