Bitcoin has got various dark market places. These are virtual markets in which illegal activities take place.
For such activities hiring also takes place through bitcointalk forum. Such requirements can be viewed
in the services sections posting. One can join by applying through it.
I thought the silkroad and silkroad 2 were busted by the US authority. Only legit operation left now.
Download tor and take a look around, it's not illegal to look and you will be surprised at what you see.
Since the downfall of Silkroad 1 & 2 there has been an explosion in darknet site offering
anything a criminal would ever want or need.