It was a laptop computer, which means she could have taken it home with her. That hard drive they removed from it might not be the same one it left with. If it was a "crashed" but recoverable drive somebody had laying around, recovering the data would have revealed the deception.
And that would explain the scratches.
Criminal liars. Congress in its ineptitude are co-conspirators. These hobos should be in prison.
Had a former coworker remove a laptop hard drive and substitute another one. Big company had forensic IT staff that detected it. Hope Gowdy has a bunch of really smart techies to tear a new ass on this.