The group is seeking evidence from the original trial.
RELATED: Scott Peterson case spotlights exoneration efforts in the US
Back in 2022, Peterson was denied a new trial over the murder of his wife, Laci, and unborn son. At the center of that request for a new trial was whether a juror lied when she told the court she had never been involved in a domestic violence case.
Superior Court Judge Anne-Christine Massullo denied Peterson, 50, "relief" in his appeal based on stealth juror accusations. He will not get a new trial. He cannot appeal and now has 120 days to submit any new evidence.
RELATED: Scott Peterson criminal probe: A timeline of events
TIMELINE: How the Laci Peterson case unfolded
Scott claimed he had been out fishing in San Francisco Bay when his wife disappeared, not far from where Laci's body and unborn child were found washed ashore.
Stay with us for the latest details on this developing story.