To be fair there are probably restrictions regarding what the newspaper is allowed to report and there is probably more to this than has been covered here. The court reporter would only be able to include information given by the judge during sentencing in this story.
SS may well be involved (I would say it seems likely) but that couldn't really be reported by the papers unless involvement by SS was actually part of the judge's sentencing. The parents still have a right to privacy despite committing this crime so there will be information the papers couldn't include.