How did the widespread use of fentanyl come about in Canada?

Going Anon for this one but my experience at both a pharmaceutical and street level is extensive. My experience is specifically from Ontario. I am posting this on a mobile device so please forgive randomness and lack of editing. read more

A few years ago you could buy an oz of fentanyl for just under $400 on the deep web. Now that price is around $1400. This still ends up being much cheaper than $300+ per patch. Once users realized they could get an intense high from a few “strips” of a patch or a point 0.1g of fentanyl the rest wrote itself. read more

Fentanyl and many chemically similar drugs are classified as controlled substances in Canada, making them illegal to import without a licence or permit. But, for online suppliers, the borders may as well not exist; they devise clever ways to conceal the drugs and skirt inspection rules. read more