@wythagoras the problem is already evident with the example questions. They show the teenager/layman idea of the deep web
as @Codes says, Tor or other infrastructure questions would be useful (but covered on tor.se) and the rest really will fall into pots that aren't suitable on SE
The forensic tools the recovery company will use could include EnCase, which is probably the leading forensic data recovery utility. EnCase takes the drive image recovers the raw data, then makes pretty intelligent assumptions as to what blocks form what files.
There are still limitations, so an...
