The highly unusual case of the women known as the "San Antonio Four" is now a documentary that is nearly done except for the ending.
Filmmaker Deborah Esquenazi said that hinges on new court filings that could lead to their freedom.
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The women Anna Vasquez, Cassandra Rivera, Elizabeth Ramirez and Kristie Mayhugh have maintained they never sexually assaulted two little girls in 1994.
Only Vasquez has been paroled, the others remain in prison.
Esquenazi said like the subjects of her film, she is waiting for the day "that they have been fully exonerated, their names have been cleared."
Mike Ware, one of their defense attorneys, said, "They are innocent because they are."
Ware said polygraphs prove the women are telling the truth.
District Attorney Susan Reed said she has been in discussion with the defense for some time.
"We are agreeable that the science has changed. We'll tell that to the court," Reed said.
She said medical findings since the trials in the late 1990s disprove crucial expert testimony at the time.
Reed said one of the little girls who is now grown stands by her story.
However, Reed said she wants to confirm the other girl has recanted her prior testimony.
"So, I want to hear what she has to say before we make any ultimate decision," Reed said.
She said the writs filed this week could lead to their release or a new trial.
Esquenazi said when her film is released in the next year or two at the Sundance Film Festival, she wants audiences to see the strength of the women and their families over nearly two decades.
For a list of recent stories Jessie Degollado has done, click here.