A rise in demand for instant access to drugs

We often hear about the sale of drugs on the dark web, but what if it's actually just as easy to order drugs, as it is to order a pizza to your door? A rise in demand for instant access to drugs has led to the development of apps, and the use of apps already in existence, to buy and sell illegal substances. Our reporter Emily Keegan investigates the growing use of apps and drone deliveries for such a service.