I don't think Kimberly Ann Kahler made it past 1980 personally... I'm a person with reddish brown hair, it's pretty rare. Plus the picture of this woman has a more fairer red hair type and doesn't appear to have an upper lip scar.
The National Missing and Unidentified Persons System (NamUs)
https://en.m.wikipedia.org/wiki/Cilice
http://www.hessianfabric.co.uk
Hessian Jute Hair Shirts
The cilice, or hair shirt, is a garment worn underneath outer clothing specifically to cause pain or discomfort to the wearer. While hessian jute is a popular fabric for cilice construction...