THC

Field testing and lab testing for marijuana ordinarily is essential before a prosecutor can obtain a marijuana possession or dealing conviction, unless the defense stipulates that the substance in fact is marijuana. As a Virginia criminal lawyer, I know that until the recent federal Farm...

Does tetrahydrocannabinol (THC) (marijuana's primary psychoactive ingredient) concentration correlate to impairment from marijuana/cannabis consumption? The National Highway Transportation Safety Administration ("NHTSA") of the United Stated Transportation Department concedes

It was bad enough that 2000 federal highway legislation shoved mandatory criminalization of driving with a 0.08 blood alcohol level down the states’ throats under the penalty of otherwise losing federal highway funding. Now we have a slippery slope of governments trying to criminalize threshold...