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Attorneys on Thursday disclosed new details about evidence that may be exculpatory for Stephanie Sloop, accused in the 2010 murder of her son, Ethan Stacy.

Negotiations over the evidence, taken from the jail cell of Sloop's husband and co-defendant, Nathan, could further delay any trial for Stephanie Sloop, attorneys on both sides said.

After setting Sloop's preliminary hearing for Nov. 17 through 19, Judge Thomas Kay on Thursday asked attorneys to tentatively clear time for a trial because the case is now more than four years old. Sloop, 31, and Nathan Sloop, 35, were charged with first-degree felony aggravated murder, along with several other felonies in the death of 4-year-old Stacy, whom prosecutors say was beaten, burned, drugged, malnourished, isolated and denied medical care for about a week before he died in May 2010. Nathan Sloop in February pleaded guilty but mentally ill to aggravated murder and assault. Stephanie Sloop's case has trailed behind her husband's.

But attorneys would not agree to a tentative trial date. If Sloop is bound over for trial, her attorney Mary Corporon warned, an array of legal questions await. Since Nathan Sloop's plea, Corporon has claimed that prosecutors obtained evidence from him that could prove Stephanie Sloop's innocence. Davis County Attorney Troy Rawilngs has said he wants to release the evidence, but Nathan Sloop's attorneys have prevented it, claiming the documents are protected and their release would violate his constitutional rights.

"There's a conflict between [Stephanie Sloop's] due process rights and Mr. Sloop's allegations of 4th Amendment rights and right to counsel and private communication with counsel that would be implicated," Corporon said.

No details about the evidence previously was released. But on Thursday, Corporon said the evidence was written material, some of which was used as bookmarks that Nathan Sloop failed to remove before returning books to the jail library. Other material was seized during a search of his cell.

If Stephanie Sloop faces trial, she will seek the release of that material, Corporon said.

Corporon also pointed to prosecutors' quest for the death penalty against Nathan Sloop. Rawlings amended his charges the day before his preliminary hearing, raising the murder charge to a capital offense under a state law that allows the death penalty in some child abuse cases. Before Nathan Sloop pleaded, his attorneys planned to challenge the constitutionality of that law, claiming the death penalty can't be applied in a case where the victim's death isn't proven to be intentional.

If Stephanie Sloop faces a capital charge, she will mount the same challenge, Corporon said.

"There are also questions regarding ... whether there would be a motion to suppress any statements made by my client, whether there would be any evidenciary restrictions [about] that," Corporon said.

Rawlings agreed with Corporon that attempting to schedule a trial would be premature.

Stephanie Sloop did not speak except to reiterate to Kay that she waived her right to a speedy trial.

"Yes, your honor, I completely understand," she said when Kay asked her to assent to Corporon and Rawlings' forecasts of delays.