In October of 2017, in Com. v. Smith, the Massachusetts Appeals Court affirmed the conviction of a defendant for possession of a Class B substance (crack cocaine) with intent to distribute, rejecting the defendant’s argument that a police officer was improperly allowed at trial to offer “profiling” testimony on the characteristics of a drug dealer…

Now that marijuana has been legalized in Massachusetts for those over 21, I am seeing more and more people being charged with operating a motor vehicle while under the influence of marijuana.  Questions I am frequently asked include: “how can they prove I was under the influence of marijuana?” and “what type of evidence will…