RELATED: Napa High School football coach quits amid hazing scandal
In March, the Napa Police Department referred its investigation to the district attorney's office for prosecution. Police conducted a separate investigation and identified 14 male students, all members of the football team, for potential criminal charges related to hazing and assault.
EXCLUSIVE: Expelled Napa student accused in hazing speaks out
In its investigation, Napa police also named one adult, a football coach, for failing to report the incident, which is mandatory under California law.
Police said 16 students were identified as possible victims. Nine students were expelled as a result of the school district's investigation, which included retaining a law firm working with private detectives.
EXCLUSIVE: Napa football player accused of hazing fights to clear his name
One student, Johnny Torres -- a straight-A, honors student and JV team captain -- had his expulsion overturned by the county school board.
Torres spoke exclusively to ABC7 I-Team Reporter Dan Noyes back in February. That report is here: Expelled Napa student accused in hazing speaks out