Maybe totally off base...but is this girl missing/claimed missing/a missing, missing person? Or are we just hunting a girl/picture from an old video....looking like Walker County Jane Doe? When I look at her....even Slidell Jane Doe comes to mind.
Actually your comment is right on the money... we don't know for certain if the Girl in the Choir is or is not Angie Roca, and we don't have any evidence Angie or the Girl in the Choir were ever reported as a missing person. It is total speculation, based on not only the girl's looks but quite a few circumstances that fit like pieces of a puzzle:
WCJD said she was from the Aransas Pass/Rockport area, the Rebekah Home for Girls was in Corpus Christi, same area. Also the time frame was right.
Local high school yearbooks were searched, WCJD was not found. Could this be because she wasn't in high school, she was in the Rebekah Home?
WCJD was described as being well-nourished. She had no drugs or alcohol in her system, no tattoos. Was this because she was in the Rebekah home, where the girls were well fed and the rules were strict?
She was believed to be on her way to meet someone in prison. This implies there was earlier trouble in her life. My imagination says maybe her father was in prison, maybe her mother was dysfunctional, and that could add up to a troubled teen. Rebekah Home was one place troubled teenagers were sent. She was taken care of but perhaps not well loved. As she said, "Who cares?"
Rebekah Home was somewhat isolated from the outside secular world. Residents had no television, no radio. Owners of the home were resistant to outside interference, perhaps reluctant to cooperate with the government. Tight security, difficult for girls to escape. Maybe her time was simply up and she was released and walked away.
True, all of this is pure speculation, but not without reason.