American Federation of Labor v. Watson

I think the suit should be dismissed for want of jurisdiction in equity.

A criminal prosecution or other litigation conducted in state courts by a. state official, within the scope of his authority as such, may, it is true, cause apprehension on the part of those who are alleged to be lawbreakers. Such apprehensions and those of others may lead to changes in business practices to the injury of the alleged lawbreakers. But the conduct of such proceedings, in good faith and in conformity to law, is not actionable at law or in equity. Damage or loss to one’s business or pocketbook, resulting from…