Her Murder Conviction Overturned, Texas Mother Home for the Holidays

But after seven years in prison, Hannah Overton's fight for her freedom is far from done.
2:33 | 12/26/14

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Transcript for Her Murder Conviction Overturned, Texas Mother Home for the Holidays
We do move to a Texas mother of five back home for the holidays after spending seven years behind bars. Hanna Overton was convicted of capital murder in the salt poisoning death of her foster child. That's been overturned but as juju Chang her battle is far from over. Reporter: Christmas together. What her children hoped-for-seven years. This week their Christmas wish finally granted captured in these photos taken by Isaac Overton, age 15. The five Overton children reunited with their mother. Her conviction and life sentence was overturned in the bizarre salt poisoning death of a little boy she was trying to adopt. The 37-year-old mother accused of force feeding her foster son Andrew Byrd enough salt to kill him. She sat down with "20/20" in 2008. It's somebody's worst nightmare after your child dies to be told that -- somebody thinks it's your fault. Reporter: Convicted of capital murder husband Larry standing by her through it all. What is the truth in all this? That my wife did nothing wrong. That Andrew had something going on with him. Reporter: The jury never got a chance to hear from this salt poisoning expert long believed the 4-year-old ingested the salt on his own due to behavioral problems. I don't think there was any evidence at all that she did this. Reporter: But it took four years before he had a chance to testify during Hanna's appeal. Even when it happens in the hospital, you die. Reporter: Two years later a stunning victory for Hanna and her new defense team. The highest appeals court in Texas reversing her conviction. What went of went through your mind. Is this real and started tearing up. Does this is a what I think it says? Reporter: Prosecutors stand by their case and plan to try her again. Her current defense team says they will continue to fight to clear her name. We're so thrilled that she stands here presumed innocent and we're very confident that the state doesn't have a case. Reporter: A trial date has not been set. After all she's been through Hanna says she has no regrets including being Andrew's forever family. Cost you seven years of your life. Yeah, but I still wouldn't trade it. Reporter: For "Good morning America," juju Chang, ABC news, New York. She has always maintained her innocence and her attorneys steadfastly have believed in her and worked pro Bono for her. You can see more of her report on "20/20" at 10:00 P.M., 9:00 central on ABC and it is time now for the weather and rob Marciano. Hey, guys, good-looking stuff for this day after Christmas. We start you with Boston, a shot

This transcript has been automatically generated and may not be 100% accurate.

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