U.S. investigators found evidence files deleted even after February 3 . Law enforcement officials say that they are n't drawing any conclusions about the subsequent deletions , or the earlier ones , just two days into reviewing the hard drive contents , which officials described as a large volume of data . Leading U.S. theory is disappearance was result of accident . Comment:
U.S. investigators found evidence files deleted even after February 3 . Leading U.S. theory is disappearance was result of accident . Comment: