At around 9:20 p.m. on August 4, near the entrance of Zhejiang Radio and Television Group on Moganshan Road in Hangzhou, a shrill sound of brakes cut through the night sky, sending chills down the spines of all who heard it. Beneath the impact of a Porsche Cayenne, Ma Fangfang, a 17-year-old girl, let out a heart-wrenching scream as her body was hurled over 20 meters away, her blood splashing across the zebra crossing...