MADISON, Wisc. (AP) -

Making a Murderer's Steven Avery, who was accused of killing a freelance photographer wants a state appellate court to hold his latest appeal open pending a decision on additional scientific testing in the case.

Prosecutors believe Avery killed 25-year-old Teresa Halbach in his family's Manitowoc County salvage yard in 2005. Avery has been fighting for his conviction, since a jury convicted him and he was sentenced to life in prison in 2007.

His attorney, Kathleen Zellner, filed a motion Friday with the 2nd District Court of Appeals asking the court to hold his latest appeal in abeyance, wrote that she planned to file a motion Friday seeking additional testing of evidence that will prove Avery's innocence and the appeal should be suspended pending the results.

As of mid-day she has not yet filed anything.