Oregon Appellate Court 5-31-2012

DRE Officer's testimony that defendant was under the influence of a narcotic analgesic was admissible as nonscientific expert opinion. Where the DRE officer testified as to admissible portions of a DRE procedure, his ultimate opinion was not did not have the "imprimatur of science" because the officer did not rely on the vocabulary of science or suggest that his opinion was based on the scientific method. State v. Rambo.