Certainly you would think the accuser would want the signature verified?
If she is sure it is real, no reason not to let an expert check it out.
There is enough evidence to put the matter before a civil grand jury. Moore v. all of his accusers, all under oath and in jeopardy of committing a felony.
What's a "civil grand jury?" The statute of limitations expired long ago, so there is no legal basis for taking it to a grand jury.
Moore was an elected official when he is alleged to have engaged in sexually inappropriate behavior, thus:
Civil Grand Jury: Every year, in each of California's 58 counties, a group of ordinary citizens takes an oath to serve as
grand jurors. Its function is to investigate the operations of the various officers, departments and agencies of local government.
I don't know anything about Alabama Law, they do seem to be a couple of centuries behind the rest of us.