Two Vancouver activists sold clean, tested drugs bought on the dark web in an effort to stop toxic drug deaths. Now, they're arguing in court that the laws they broke violate drug users' constitutional rights. Do they have a case? »»» Subscribe to CBC News to watch more videos: http://bit.ly/1RreYWS For breaking news, video, audio and in-depth coverage: https://www.cbc.ca/news Follow CBC News on TikTok: https://www.tiktok.com/@cbcnews Subscribe to CBC News on Snapchat: https://bit.ly/3leaWsr