Deep web

Using crypto-currency and an underground network of nearly-untraceable websites, people get what they need.

A hacker from Anonymous knocked more than 10,000 websites on the dark web offline.

Silk Road and dark websites like it remove commercial activity from the hands of violent cartels fighting over territory.

A new documentary by Alex Winter examines issues raised by the Silk Road case.

Court ignores pleas for leniency from 31-year-old Ross Ulbricht.

Undercover agents who investigated the head of the Silk Road marketplace are being accused of stealing money from the website.

The fall of the Silk Road has led to a proliferation of smaller 'dark net' virtual marketplaces