Canada

For weeks, CBC Ottawa and Radio-Canada exchanged messages with nearly a dozen people who have been buying these drugs online. Eventually one came forward, offering to talk about their experience.

"The first time I was like, OK, it’s not true, it’s a scam," John said. CBC has agreed to withhold his real name because he fears the impact of his drug use on his family and his job.

"You go on the website and it’s very easy."