The driver of a car that crashed into a tree Oct. 5, killing two University High School girls, had his license for one day. Preston Maher, 16, is now under investigation for vehicular homicide, according to the Spokane County Sheriff’s Office. Josie Freier, 16, and McKenzie Mott, 15, died in the accident at South Bates Road and East Ponderosa Drive in Spokane Valley.