The hackers are the ones that know how to attack a site, a network, etc. But, the deepweb is like the home of the hackers, a paradise of freedom and resistance against opression...
So, who is doing that? If its not the government, why are they doing that? What are they gonna achieve with that?
WTF is going on?.. LOL
It is most likely the government. If not them, obviously aliens. To answer why, it is an attempt to reveal the location of marketplace servers (and in turn, operators).