The prosecution in the Casey Anthony murder trial attempted Friday to use employee records to undercut Anthony's mother's claim that she -- not Casey -- had searched the Internet for suspicious terms like "chloroform."
The Internet searches occurred on the family's home computer in the months before the disappearance of Casey Anthony's 2-year-old daughter, Caylee. Anthony's mother, Cindy Anthony, testified that she had run the searches.
But John Camperlengo, chief compliance officer for Gentiva Health Services, Cindy Anthony's former employer, testified Friday that she was logged into her work computer "throughout the afternoon" on days she claims she had left early and conducted the Internet searches at home, according to company computer records.
Casey Anthony is on trial for first-degree murder in the 2008 death of Caylee. She has pleaded not guilty and could face the death penalty if convicted.
The prosecution claims the 25-year-old Orlando mother drugged the child with chloroform before suffocating her with duct tape over her nose and mouth. Defense attorneys claim the girl drowned in her grandparents' pool and that George Anthony, Casey's father, helped cover it up -- a theory he has denied.
A central piece of the prosecution's case involves Internet searches conducted from the family's home computer for terms such as "chloroform" and "how to make chloroform."
Prosecutors have argued that Casey Anthony used the computer to conduct those searches -- which, if true, could support premeditation. Evidence of chloroform was also found in the trunk of the her car.
But Cindy Anthony told jurors that she left work early in March 2008 and conducted Internet searches from home for "chlorophyll" and later "chloroform" because she was concerned about pet dogs that appeared fatigued -- despite records showing she was at work at the time of those searches, according to prosecutors.
"She was having some issues and was extremely tired all the time," Cindy Anthony had testified about one of the dogs. "And both of the dogs would eat the bamboo leaves out in the back. So I started up looking up sources from the back yard that could potentially cause her to be more sleepy then it would affect the larger dog."
Friday's rebuttal from the prosecution came after Judge Belvin Perry called a recess so the defense could take depositions of prosecution witnesses.
Lead defense attorney Jose Baez said prosecutors had failed to disclose all the information a computer expert and forensic anthropologist planned to testify about.
While the defense rested Thursday, experts say defense attorneys may have left lingering questions and failed to deliver on promises they made at the outset to explain how the toddler died.
Casey Anthony did not take the stand and the defense did not present concrete evidence that Caylee wasn't killed, but accidentally drowned.
Her attorneys also never produced any witnesses bolstering the claim made in opening statements that Anthony had acted without apparent remorse in the weeks after her daughter's death because she had been molested by her father as a child, resulting in emotional problems.
Instead, their 13-day case primarily focused on poking holes in the prosecution's contention that Anthony killed Caylee in June 2008 by covering her mouth with duct tape. Prosecutors said the woman dumped Caylee's body in the woods near her parents' home and then resumed her life of partying and shopping.
The prosecutors' case relied on circumstantial and forensic evidence, and it did have holes. They had no witnesses who saw the killing or saw Casey Anthony with her daughter's body. And there was no certain proof that the child suffocated.
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The Associated Press contributed to this report
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