the record confirmed that the fbi was asked to do an analysis to cover the deleted foils. it was recovered from the 53-year-old pilot's home once the investigation became a criminal case and reassembled and they reviewed the foils that point to pre-meditation. authorities in malaysia that data records were cleared on february 23rd. one month and five day before the 370's disappearance. nsome were erased from the simulator. i would like to take this opportunity to state that the pilot and crow remain innocent until proven otherwise. >> the data simulator is evaluateated if he rehearsed dramatic changes in altitude.