ORANGE COUNTY, Fla. -- A tip in the Caylee Anthony case involving a suspicious smell had investigators rushing to a wooded area along Narcoosee Road on Monday afternoon, but the search came up empty-handed.

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Monday, Cindy Anthony was fighting claims in last week's search warrant that Casey's phone records contained no calls to a mysterious babysitter. Also Monday, the 5th District Court of Appeals turned down Casey Anthony's second attempt to convince the panel to lower her $500,000, but the records were still sealed.

TIP ABOUT SMELL LEADS NOWHERE

Eyewitness News was tipped off that someone detected the smell of decomposition in a wooded area near Lee Vista Boulevard and Narcoosee Road (see map), not too far from Caylee Anthony's grandparents' house. An investigator on the scene told Eyewitness News the tip was related to the search for missing 3-year-old Caylee Anthony, but determined the smell was from a dead dog.

GRANDPARENTS MEET WITH INVESTIGATORS AGAIN

Caylee's grandparents met with the sheriff's office Monday, for what they said is going to be a regular occurrence until Caylee is found, to share information.

"Just to get some information from the search department to see how the search is going for our granddaughter," George Anthony told Eyewitness News as he and Cindy walked into the sheriff's office Monday morning. "It's just a question and answer period for both of us. We have some questions for them. This is going to be an ongoing thing we do with them until our granddaughter comes home."

CINDY DISPUTES SEARCH WARRANT DETAILS

Cindy Anthony is disputing something in the investigators' search warrant affidavit about Casey Anthony's phone records.

"That's a misstatement," she told Eyewitness News.

The affidavit says Casey's cell phone records "show no numbers belonging to a Zenaida Fernandez-Gonzalez" and that there is "no incoming call" around noon on June 15, when Casey says she got a call from a private number and briefly talked to Caylee.

Cindy said she shared new information with investigators Monday about Casey's phone records that she says shows Casey really did get a call from Caylee on July 15 from a "private number." She's even claiming that Caylee's great grandmother heard from Caylee during the time she's been missing.

"We had a long conversation about that today. Some of the stuff that got leaked out is erroneous and they're looking at some of those things today," Cindy said.

"How did the person who had Caylee get your mother's phone number?" WFTV reporter Kathi Belich asked.

"She was programmed into my daughter's phone," Cindy said.

Casey is isolating herself in jail, has had no calls for a week and she's canceling visits with her family. Investigators don't know if it means she's about to crack.

"If she cared to talk with us and tell us what she knew, we'd certainly sit down and listen to her," Sgt. John Allen said.

The Anthonys said Monday they've been getting threatening phone calls and emails and, even though they said they believe a possible threat and danger to the family is keeping Casey from telling what she knows about where Caylee is, they said they're just getting rid of the threats and not reporting them to investigators.

CASEY REFUSES VISITATION WITH PARENTS

On Sunday, Casey Anthony refused a schedule visitation with her parents. Channel 9 asked Cindy Anthony on Sunday if she thinks Casey cancelled because she did not want to defend statements from a search warrant that claim she never received or made a cell phone call to Caylee's mystery babysitter Zenaida Gonzalez.

"I've got the phone records so I'm not so sure, I'm not sure what you guys are talking about. I've not seen anything from the sheriff's department and they have not confirmed anything to that. I would like to see her, but what am I going to say. What am I suppose to say? That's her perogative," Cindy said Sunday.

According to sources, Casey has been watching some news coverage, which may have included when the Anthonys spoke out against her.

"She's going to have to pay for some of the stuff she's put herself and put her daughter through," George Anthony said last week.

On Friday, Casey also turned away her brother Lee.

Regardless of Casey's motive, her parents were disappointed that their daughter chose to snub family members for the second time.

"You always want to see your child, but then again, she had her reasons," Cindy said.

Cindy told Channel 9 that she believes Casey's reason may be petty.

"Maybe it's based on me cancelling my appointment with her the other day," she said.

Two visitations remain scheduled for this week. Tuesday morning, Casey's brother Lee is scheduled to visit. George and Cindy Anthony will make another attempt to visit their daughter Thursday morning.

There was no explanation given as to why Casey Anthony declined the visit Sunday.