(Des Moines, IA) Des Moines Police have identified the body of a motorcyclist who was killed during a high speed chase. Police attempted to stop 25-year-old Vincent Quang of Des Moines fora traffic violation near 14th and High Street, Saturday night. Quang pulled into a convenience store parking lot but then quickly took off. Police came upon a crash site a short time later. Quang was pronounced dead on the scene.