Supreme Court investigators probing the May leak of Justice Samuel Alito’s draft opinion overruling Roe v. Wade have narrowed their inquiry to a small number of suspects including law clerks, but officials have yet to conclusively identify the alleged culprit, people familiar with the matter said.

A day after the draft opinion was published last year by Politico, Chief Justice John Roberts assigned the Supreme Court’s marshal, Gail Curley, to investigate the leak. The court has released no information regarding the investigation since then. Little has emerged elsewhere, apart from a demand from investigators in June that justices’ law clerks sit for interviews and surrender their cellphones, prompting several of the three-dozen clerks serving in May to seek legal counsel.

A Supreme Court spokeswoman didn’t respond to requests for comment.

Congressional Republicans have complained about the lack of information regarding the source of the leak.... Read More: WSJ