You can detect presence through sweat, yes. A system is being pilot tested now whereby essentially they use a person's sweat from their fingerprint to detect certain substances.
On September 19th, 2017. See this statement in context.
On September 19th, 2017. See this statement in context.
September 19th, 2017 / 6:10 p.m.
Senior Policy Advisor, Subject Matter Expert Impaired Driving, Canadian Centre on Substance Use and Addiction
You can detect presence through sweat, yes. A system is being pilot tested now whereby essentially they use a person's sweat from their fingerprint to detect certain substances.
See context to find out what was said next.