Preliminary information: at around 12:10 on May 19, 2009, in the Nanguan roundabout of Huining County, a youth (the party involved Zhang Bin, from Shanglucha Village, Fengyan Village, Chaemen Township, Huining County, born on January 11, 1991, claimed that he studied computer science at Guangzhou Electronic College from June 2008 and transferred to Hengyang Electric College in Hunan in September 2008, returned home at the end of April 2009) violated traffic rules by running a red light on a bicycle. The traffic police officer and traffic warden failed to stop him and were taking him to the traffic police station.