My initial answer seems to be the more correct answer.
Due to the potential of vilification and shaming by the media and the assumption that the child was immature at the time of the criminal act and to ensure the best chance of rehabilitation, it is not permitted to name them unless a court gives specific permission.
Whilst this is from the UK, it is similar here.
by Penelope Gibbs, chair of the Standing Committee for Youth Justice and director of Transform Justice The conker murder was a horrific crime. Steven Grisales was murdered in Edmonton after remonstrating with a gang of boys who were throwing conkers at him.
www.lawgazette.co.uk
Basically it is to protect them from the likes of the daily mail, Indo and Sunday world.