after a lapse of 13 years in Yunnan Province high court hearing today retrial "Qian Renfeng poisoning case new network Kunming on September 29 (reporter Wang Yanlong Hu Yuanhang) 29, after a lapse of 13 years, Yunnan Province high court open court retrial money Renfeng poisoning. On February 22, 2002, in a kindergarten in Qiaojia county of Yunnan Province occurred with a major poisoning case, when the police found a 2-year-old boy due to intake of tetramine were killed and another two children by...