Once you're in, you go searching for the illegal stuff the same way the pedophiles do -- they have set up a system to make it easier for them to find each other. So, while they don't like to advertise, child pornographers do have their own Wikipedia, which is accessible through Tor. It's named "Hard Candy," because there is no God and whatever odious being vomited us into existence abandoned us to the void long ago.
Hard Candy The first link is to "The Pedophile's Handbook." We're warning you to turn back now.
Pam eventually wound up at a discussion forum called 3DBoys, which is full of erotic art and stories about every nightmare your parents ever had while you were growing up.
3DBoys "Good riddance." -- the real world.