Cross-border cocaine: How it?s detected and why it?s such a problem

Cocaine is the most seized substance in the southwestern Ontario region along the Canada-U.S. border, according to data from both countries.
Source: Cross-border cocaine: How it?s detected and why it?s such a problem (https://www.cbc.ca/news/canada/windsor/cocaine-canada-us-border-9.7309498?cmp=rss)