ORLANDO, Fla. -- A judge on Tuesday denied requests from Casey Anthony's attorneys to require investigators to turn over all photos, videos and drawings taken from the woods where remains of a child were found last week.

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The judge also denied motions from her attorneys to appoint a forensic expert in the case and allow a second autopsy of the remains.

The child's remains found last week have not been positively identified. Autopsy results are expected within the next week or two.

Casey Anthony, 22, was charged in October with murdering her daughter, who was first reported missing in mid-July. Investigators say Anthony waited a month before reporting the girl missing. She claims Caylee was kidnapped by a baby sitter.

Anthony did not attend the hearing.

'Significant Find' Made At Site

Investigators on Monday said they have made "significant finds" during the search the wooded area near the home of Caylee's grandparents, who hope that a child's skull found there doesn't belong to their granddaughter, although they are realistic about the possibility that the remains may be hers, their attorney said.

George and Cindy Anthony are asking for privacy until the medical examiner is able to identify the remains found last week in woods near their home, attorney Bradley Conway said.

"They're not grieving yet because we don't know whose body this is," Conway said. "But if it is identified as Caylee, they are going to go through that grief process privately, and when they're ready to speak they will."

Authorities said Casey Anthony waited a month to report her daughter missing last July. She initially told police that she left the child with a baby sitter, but detectives said her story was untrue. Her parents still believe her story and support her, the attorney said.

Caylee and her mother lived with George and Cindy Anthony. The grandparents have returned home after spending time in a hotel while investigators searched their house for evidence late last week. Their attorney said that items were taken from their home which were not on a search warrant.

Crime scene technicians and detectives on Monday continued to search the woods near the Anthony home, where the skull was found last week by a meter reader. Capt. Angelo Nieves, a spokesman for the Orange County Sheriff's Office, said he couldn't confirm reports that more bones had been found in the area over the weekend.

"There have been significant finds there at the location," Nieves said. "We're not providing additional information as to what evidence has been recovered."

Several experts also were being called in to examine the site over the next few days, including a botanist, a forensic anthropologist and an entomologist, or expert on insects, Nieves said.

Conway said the grandparents were not being investigated for any crimes, such as obstruction of justice. George and Cindy Anthony have been fingerprinted by investigators but only to rule them out as suspects. They are cooperating with detectives, he said.

"They have not obstructed any investigation," Conway said.

"They haven't destroyed any evidence. They have in no way interfered with what the ... sheriff's office has to do."

The Anthonys have placed cameras at their house and hired a security team because they are wary of neighbors or others who may try to profit from Caylee's disappearance by selling information or photos to tabloids, Conway said.

"They don't know who to trust other than themselves and the team that is assigned to protect and defend them," he said.