One of the things that confuses me is that the Justices and the employees are categorizes as two different entities i.e. saying something akin to the people wit

One of the things that confuses me is that the Justices and the employees are categorizes as two different entities i.e. saying something akin to the people with access are 82 employees and the Justices. But then all the investigation only says the employees. Does that mean all the justices weren't given the same scrutiny?