Under North Carolina law, “marijuana” is a controlled substance defined to exclude legal hemp. Following the 2018 federal Farm Bill, NC amended its statutes to align with the 0.3% THC threshold. Specifically, hemp is defined as cannabis (any part of the plant, including derivatives) with ≤0.3% delta-9 THC by dry…
In any marijuana vs hemp drug prosecution, the State bears the burden of proving beyond a reasonable doubt that the substance involved exceeds North Carolina’s legal THC limit of 0.3%, thereby making it illegal marijuana and not lawful hemp. In the recent case State v. Ruffin, the North Carolina Court…
Witnesses with specialized knowledge beyond that of a jury may in appropriate circumstances provide “expert testimony” in North Carolina. DWI (Driving While Impaired) charges in North Carolina regularly include evidence like breathalyzer results, blood tests, and standardized field sobriety tests. Given the scientific, forensic, and at times highly technical aspects…
Prosecutors and defense attorneys regularly rely on expert witnesses to explain evidence that benefits from specialized knowledge. That may involve reviewing things like breath and blood testing procedures, DUI retrograde extrapolation, accident reconstruction, and medical conditions that could affect impairment assessments. This article examines the different types of experts used…
Expert testimony can play a pivotal role in DUI charges in North Carolina. In part, that’s because allegations of impaired driving often involve complicated scientific, forensic evidence and technical procedures—such as chemical breath tests, blood alcohol analyses, and field sobriety testing—that lay jurors or even judges may not fully understand.…
When a law enforcement officer in North Carolina suspects impaired driving, they may conduct Standarized Field Sobriety Tests (SFSTs) to gauge whether enough evidence exists for an arrest or further chemical testing. Roadside dexterity tests—commonly the Horizontal Gaze Nystagmus (HGN) test, the Walk-and-Turn test, and the One-Leg Stand test—remain a…
DUI checkpoints ordinarily involve standardized patterns for stopping vehicles, as well as the use of portable breath tests (PBTs) and SFSTs – Standardized Field Sobriety Tests to assess possible alcohol consumption and appreciable impairment. North Carolina law allows law enforcement agencies to set up checking stations and roadblocks pursuant to…
North Carolina regulates portable breath tests (PBTs), sometimes referred to as the “breathalyzer,” through specific administrative rules and statutory provisions. Law enforcement officers regularly rely on alcohol screening devices to assess whether a driver has consumed alcohol and may be part of the “arrest decision” related to probable cause. To…
North Carolina regulates alcohol screening under a set of rules involving technical standards, operational procedures, and legal provisions that govern how breath tests are administered and how results may be used in criminal proceedings. Officers rely on portable breath alcohol content screening devices (sometimes referred to as a “PBT” or…
Hemolysis involves the rupture of red blood cells in a blood sample. In the context of criminal charges, this can affect how accurately labs measure blood alcohol concentration (BAC). Mechanical factors like needle gauge selection, centrifugation practices, storage conditions, or simple delays can lead to hemolysis. The result may be…