I wonder if she perhaps had stolen the computer or at any rate the hard drive and sold or given it to the drug dealer, although without realizing or caring that there were documents on it. Did they ever find those missing hard drives?
As far as I recall, they did find all of the missing hard drives. Of course, a few turned up only several weeks later. Remember the drive that re-appeared behind a copy machine? After the area had already been searched by outside security professionals three times?