At around 9:26 p.m. on August 4, a black Porsche Cayenne at the gate of Zhejiang Broadcast Media Group, No. 111 Moganshan Road in Hangzhou downtown, splashed a 16-year-old girl Ma Fangfang to death who was crossing the zebra crossing. The traffic police's alcohol test result showed that the perpetrator Wei Zhigang had an alcohol content of 0.36 mg/ml in his body, which belonged to drunk driving. Yesterday at noon, Hangzhou police announced to execute criminal detention on the perpetrator Wei Zhigang. What drew people's attention was that the perpetrator was another "rich second generation" and his father has been confirmed as a chairman of a company.