Can you confirm that the recovered files were returned on the drive from which they were recovered? My guess is that the third party scanned the drive with a recovery program, found the files and recovered them back to the drive from which he was recovering, overwriting them as he went. If so, there...
Sorry...somehow your post showed up for moderation twice on the Recovery Force forums...the first time I approved, but the second I disapproved, thinking it was a duplicate. Either way, you have your answers.
I've got a few dirty platters laying around that I use to play with and I think that this swab has some potential, but I'm not so sure about the cleaner that comes with it...perhaps if used very sparingly, but it does not evaporate quickly.
We specialize in data recovery from failed hard drives and RAID arrays among other professional data recovery services. This forum is dedicated to the sharing of information related to the field between other professionals. Our belief is that we are all more successful if we share our knowledge rather than try to keep it all locked up as a secret.