We have all heard of the term drunk driving, as DUI is one of the most common crimes in Maryland. In fact, DUI is one of the most common crimes in the entire country, as police make nearly 1.5 million DUI arrests per year in America. But what about drugged driving? Driving while under the influence of a drug such as marijuana is technically illegal in Maryland, but under Maryland law there are no definitive drug testing procedures for DUI. Under Maryland law you can be convicted of DWI with a blood alcohol concentration of .07 to .08, and for DUI with a blood alcohol concentration over .08. While these standardized numbers are somewhat arbitrary because everyone feels the effects of alcohol in different ways, the standardized numbers do provide at least the image of consistency and uniformity in DUI prosecutions. On the other hand, Maryland law does not indicate specific levels of drug concentration in the blood that would define driving while under the influence of drugs. If a police officer suspects someone is driving under the influence of drugs and not alcohol the officer can request the suspect to submit to a drug test. The question has been and will continue to be- what exactly do the results of a drug test tell us with respect to DWI?
If a person is arrested for DWI and submits to a drug test a positive result will be used against that person in court, but that drug test really tells us very little about the person’s impairment at the time he or she was driving. Marijuana can stay in a person’s system for weeks, and thus a positive marijuana test would have little probative value in court and a huge prejudicial effect on the defendant. Even a positive cocaine test would offer little probative value in court, as cocaine can stay in the system for days. Why should a jury be entitled to see evidence that a DUI defendant tested positive for cocaine when the defendant took the cocaine 2 days prior to the DUI arrest? The same goes for prescription medications such as painkillers like oxycodone and Vicodin or anti anxiety pills like Xanax and Valium. At least one state is currently addressing this issue, as Colorado lawmakers are debating whether to pass a law that quantifies the amount of marijuana that a person can legally have in his or her blood in order to avoid a conviction for DUI.
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