https://techcrunch.com/2019/08/13/y-combinator-bets-on-a-startup-building-a-weed-breathalyzer-for-cops/

Y Combinator has kept an eye on cannabis startups over the years, but it’s their latest investment that’s sure to attract the attention of both marijuana users and law enforcement.

SannTek Labs, which is launching with new funding out of Y Combinator’s latest jumbo class of startups, is building a new kind of breathalyzer that can detect blood-alcohol levels but can also determine how much cannabis a person has smoked or otherwise consumed in the past 3-4 hours.