“For 27 years I have litigated breath test cases and seen first hand the many reasons breath test results should be questioned. Two reporters from the New York Time spent the past year talking to me and other lawyers about these issues. Here is what they found.”
-Steven Epstein
https://www.nytimes.com/2019/11/03/business/breathalyzer-investigation-takeaways.html
Here the author credits Mr. Epstein for his input: