The so-called 'Deep Web' is the hidden and anonymous underbelly of the Internet.
From hits for hire to buying drugs and even people, it has become a black market bazaar for crime.
And while privacy advocates say the Deep Web may be fulfilling peoples' worst fears, it also may be fulfilling the original promise of free speech on the Internet.
Al Jazeera's John Hendren reports from Chicago.
Source: Al Jazeera