
The subject of Massey and its CEO Don Blankenship's relationship to Benjamin was the subject of an ABC News investigation.
A handful of interest groups have also filed briefs urging the court to take on the case, including the American Bar Association, the Campaign Legal Center, the Brennan Center for Justice, the Committee on Economic Development, the Washington [State] Appellate Lawyers Association and Public Citizen.
Massey's attorney could not be reached for comment.