Who Leaked The Dobbs/Roe Decision? Could It Be A Justice?

The Supreme Court has announced that it was not able to find the person who leaked the Roe vs Wade decision. Could that be because the Justices were not examined as thoroughly as other Supreme Court employees? Could the leaker actually have been a Justice?

Robert Reich thinks that may be the case. He writes:

The Supreme Court yesterday announced that an internal investigation failed to identify the person who leaked a draft of the Court’s ...