If she planted the cuttings of her hair and the sweatsuit to make it look as if she'd been abducted, and if she left all her ID and her cell phone and engagement ring etc. behind deliberately (taking along only her pre-bought bus ticket and the key to the locker at the bus station holding a change of clothes and another wallet), then she ought to be judged guilty of falsifying a crime or something like that.
In a town the size of Duluth, the humiliation her family (including the one she will form if she marries now) suffered will be a part of the archives until three days after Judgment Day -- take it from one who has plenty of family in the South! That will be a better and more deserved punishment than anything the law can hand out. Imagine being her grand child and hearing everyone at the family reunions saying, "Oh, I remember her, that was the wild girl that staged her own kidnapping and got the whole town angry at her and cost her parents $200,000 etc. back in '05..."