Inconceivable!

This is beyond my comprehension. In this modern world of limitless technology, am I to understand there's a black market on the internet? Where drugs can be sold to children? And nobody can track it?  This epidemic runs deep and wide. http://www.seattletimes.com/nation-world/strongdark-web-sales-glutting-us-mailboxes-with-deadly-opioids-strong/