Padilla says crews located three cars, but they found no evidence related to Caylee's disappearance.
Authorities say Caylee Anthony's mother, Casey Anthony, lied to them and didn't report her daughter missing for more than a month.
Casey Anthony is facing charges of child neglect, making false official statements and obstructing a criminal investigation. She is being held on $500,000 bail.
Caylee Anthony's third birthday is Saturday.
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