ORANGE COUNTY, Fla. -- Eyewitness News was the first to find out a trial date has been set in the case against Casey. She'll be tried for first-degree murder on February 9 and the case is going to be expensive, especially if it's moved out of town.

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Most likely, the trial won't happen at the Orange County courthouse. No one can say how many 10s of thousands of dollars the investigation has already cost. Moving the trial could put taxpayers on the hook for tens of thousands more, maybe even for Casey Anthony's defense.

Even if accused killer Casey Anthony does not have to fight against a death sentence, her trial for the murder of her 2-year-old daughter Caylee could last two weeks. That would mean two weeks' worth of hotel room bills for the judge, court deputies, prosecutors and at least a few investigators.

"A change of venue adds expense across the board," said WFTV legal analyst William Sheaffer.

Hotel rooms at between $100 and $125 a night. Any travelling witnesses will add to the cost, plus $36 a day for meals and 45 cents a mile for transportation.

Casey has hired private Kissimmee attorney Jose Baez, but William Sheaffer said she still could ask taxpayers to pay her defense costs, even if one of them has received money for national news coverage.

"There are a number of transactions that you can engage in in order to make sure that the money doesn't go directly to Casey Anthony," he explained.

Sheaffer said the defense will probably have to hire highly-credible and most likely expensive experts to refute the FBI lab evidence against Casey. It could cost at least $50,000. He said the judge would press her for proof she couldn't afford it.

"It's signed under oath, for what that means in this case," Sheaffer said.

CASEY'S PARENTS ATTEND MISSING CHILDREN CEREMONY

The grandfather of an Orlando girl who disappeared in June says a ceremony held for missing children at Florida's Capitol was "gut-wrenching."

George and Cindy Anthony joined 13 other families and Gov. Charlie Crist at the annual Missing Children's Day commemoration Monday. Cindy Anthony said the other families in attendance offered comfort and inspiration.

The couple's granddaughter, Caylee Anthony, has not been seen since June. Their daughter, who is Caylee's mother, has been charged with killing the girl. Casey Anthony has pleaded not guilty to first-degree murder.

Cindy Anthony said her family continues to believe Caylee is alive.

JUDGE EXPECTED TO ACCEPT CASEY'S 'NOT GUILTY' PLEA

Casey Anthony is not required to be in court Tuesday for her arraignment. She is accused of killing her daughter Caylee who was reported missing in July.

Eyewitness News first reported that Casey Anthony entered a written not guilty plea on October 17, which means she does not have to be in court Tuesday when a judge is expected to officially accept her plea.

The judge may also set a trial date for the murder case against Casey.

On Friday night, Casey's attorney, Jose Baez, visited her at the Orange County jail. No one else has visited her since then and no other visits are currently scheduled.

EVIDENCE OF DECOMPOSITION, CHLOROFORM IN CASEY'S CAR

Scientists who conducted forensic tests in the Casey Anthony investigation concluded that human decomposition and evidence of chloroform were present in the trunk of Casey's car, according to the report released Friday.

The report details findings from FBI tests on items found inside Casey's car, including DNA results on hair samples and forensic testing of debris and clothing (read details).

Among the results is confirmation that a hair sample found in the vehicle "exhibits characteristics of apparent decomposition." The report also says that specific hair is "microscopically similar" to hair investigators took from Caylee's hairbrush.

"The hair found in the trunk establishes that Caylee's dead and that her dead body was in the trunk of the car. Even if they don't find the body, it's enough evidence, scientific evidence, to establish that she's dead," said Dr. Michael Baden, nationally-renowned forensic pathologist.

DNA testing done on that piece of hair and compared with a sample provided by Casey confirmed that neither Casey nor Caylee can be "excluded as the source of the hair," because the "mtDNA sequences ... are the same."

Tests also confirmed "residues of chloroform" within a spare tire cover found inside the trunk of Casey's car. "Residues consistent with chloroform" were also found within the left and right side trunk liner. The report says no other chemicals were detected within those items. Coupled with evidence that someone on Casey's computer was researching how to make chloroform, it could explain how Caylee was murdered.

"That would indicate that chloroform has to be considered as a cause of the baby's death," Dr. Baden said.

Odor tests that were conducted on the carpet inside Casey's car concluded that 80 percent of the chemicals identified were "consistent with decompositional events." The results of the FBI's Laser-Induced Breakdown Spectroscopy (LIBS) on the same carpet concluded that "while these are still preliminary results ... both odor analysis and LIBS results appear to be quite consistent with a decompositional event having occurred in the trunk of the vehicle."

The report also clarifies that the tests conducted appear to point to human decomposition and not animal. Meanwhile, a hair fragment the FBI found on the shovel Casey borrowed from her neighbor days after investigators believe Caylee was murdered, but that hair did not match Caylee or Casey.

The report's final conclusion is that the results of the tests and comparisons indicate "that a portion of the total odor signature identified in the Florida vehicle trunk is consistent with a decompositional event that could be of human origin."

The details of the report released Friday are probably part of what the grand jury heard last week before indicting Casey, but it's not all of the evidence. The thousands of tips that were called in on the case are expected to be released soon and Eyewitness News has learned the vast majority of them are from psychics.

FBI PUTS "ROTTEN PIZZA THEORY" TO THE TEST

One of the experiments the FBI did to determine the air composition of the trunk was the same test conducted by Eyewitness News. FBI investigators left a pizza in its box and let it decompose.

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WFTV CONDUCTS TEST: Final Test Of "Rotten Pizza Theory"

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Just the experiment by Eyewitness News showed, no maggots were found and the FBI says the pizza did not break down into compounds they found in the trunk, which are consistent with human decomposition.

Early on, Cindy Anthony claimed a rotting, maggot-infested pizza caused the foul odor in the trunk.