No, they are not.
There is an allegation of rape.
But theres no objective evidence. Its not the evidence, but the seriousness of the charge thats the standard.
No pubic hair on a Coke can, no semen-stained dress and no corroborating witnesses.
And she waited forty years to disclose it? Yeah, sure.
Correct, the FBI said they were not a Federal Crime and they would not investigate.