New details were revealed Wednesday about the fatal accident in Springs on June 15, as Luis Barrionuevo-Fuertes, the 18-year-old who was driving the car involved in the crash, appeared for arraignment in Riverhead on a long list of new criminal charges before Acting Supreme Court Justice Steven A. Pilewski. If convicted of the top count of aggravated vehicular homicide, he could face up to 25 years in state prison.