Darknet means portions of the Internet that are not found by popular search engines or even using standard browsers. The users remain anonymous, hence the darknet is often a magnet for criminals.
To gain access to the darknet a so-called "Tor Browser" is needed. Because of the high degree of anonymity, the darknet is known as a transit point for drugs, weapons or child pornography. Alternatively the term "deep web" is used.
A German boy was allegedly sold for sex on the darknet by his mother and her partner, who face multiple charges. Outrage over the case has ensnared local authorities whose missteps may have allowed the abuse to continue.