Wow, I think you may be on to something. I'll paste my notes but basically, you're so right about the similarities.

This Websleuths thread produced this link.

Terri Vierra-Martinez, California (DEX, lots of Terri Martinez in Cali. No Vierra-Martinez or Terri V. Martinez that I could find. She would be about 57-58 now.

5'3 115 1984 went missing 12 years old hair brown, short and wavy (pics) (descript _ dark brown hair with a reddish tint) ears pierced http://blogs.denverpost.com/coldcases/2012/11/02/greeley-kidnapped-vanished-declared-dead/5758/3/

4'4 122 1990 found 18 (max 24) years old hair brown, short and wavy ears pierced

Detectives learned that Jonelle had been adopted from a Los Angeles agency when she was one month old. She had talked to her friends about finding her natural parents.

Nothing came of it. Police were convinced the natural mother, who was only 13 when she gave birth to Jonelle, was not involved in the girl’s abduction.

http://blogs.denverpost.com/coldcases/2012/11/02/greeley-kidnapped-vanished-declared-dead/5758/4/

I thought of how hookers dress when I read the clothing description- Black dress size small label "ZZ", Hot pink loose knit sweater, Red long sleeve shirt size sm. "New Hero", Native American design, Bra 40D, Black fishnet stockings, Clothing with body
Footwear
Hot pink pumps with decorative holes on toes (says Leather on inside bottom and a price tag on one is blurry but visible) size 6

Other items found with body Orange plastic large motel-like key ring/tag "218", with gold key # SC9