Officials say worker who found child 's remains called in one tips in five months ago . Some of the remains have been sent to the FBI lab in Quantico , Virginia , in an effort to identify them . Authorities looking into whether earlier tips were mishandled . Casey Anthony 's friend told police to check the area August , Sheriff 's Department reports . WFTV says new skeletal remains found in search area .
Officials say worker who found child 's remains called in one tips in five months ago . Authorities looking into whether earlier tips were mishandled . Casey Anthony 's friend told police to check the area August , Sheriff 's Department reports . WFTV says new skeletal remains found in search area .