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North Carolina Office of Indigent Defense Services

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You are here: Home / Archives for Drug Recognition Experts

Drug Recognition Experts

State of Maryland v. Charles David Brightful, et al, No. K-10-04-259, Circuit Court for Carroll County, MD March 5, 2012

March 5, 2012 //  by Sarah Olson

The Circuit Court for Carroll County, Maryland held that DRE evidence should be excluded. The court held that identification and classification by DREs “is not generally accepted as valid and reliable in the relevant scientific community.” See the opinion for a summary of expert testimony regarding DRE examinations which raises questions about the accuracy of …

State of Maryland v. Charles David Brightful, et al, No. K-10-04-259, Circuit Court for Carroll County, MD March 5, 2012Read More

Resource Category: CasesForensic Discipline: Drug Recognition Experts

Expert Testimony Regarding Impairment

June 9, 2010 //  by Sarah Olson

Shea Denning of the UNC School of Government discusses the adoption of Rule 702(a1) and the admissibility of HGN and DRE evidence. For additional information, contact Shea Denning. She is available as a resource on this topic.

Expert Testimony Regarding ImpairmentRead More

Resource Category: Featured ArticlesForensic Discipline: Drug Recognition Experts

Do Delta9-Tetrahydrocannabinol Concentrations Indicate Recent Use in Chronic Cannabis Users?

December 1, 2009 //  by Sarah Olson

Addiction. 2009 December: 104(12):2040-2048. This study finds that THC concentrations persist in whole blood multiple days after drug discontinuation in heavy chronic cannabis users.

Do Delta9-Tetrahydrocannabinol Concentrations Indicate Recent Use in Chronic Cannabis Users?Read More

Resource Category: Reports and PublicationsForensic Discipline: Drug Recognition Experts

Burton v. Kentucky, 300 S.W.3d 126 (Ky. 2009)

January 1, 2009 //  by Sarah Olson

Testimony from a DRE was improper where the DRE did not personally observe the defendant but instead based his opinion on review of records.

Burton v. Kentucky, 300 S.W.3d 126 (Ky. 2009)Read More

Resource Category: CasesForensic Discipline: Drug Recognition Experts

Priorities and Strategies for Improving the Investigation, Use of Toxicology Results, and Prosecution of Drug-Impaired Driving Cases

January 1, 2004 //  by Sarah Olson

2004 National Highway Traffic Safety Administration (NHTSA) publication targeted to prosecutors. The first section details some of the major problems with prosecuting drug impaired driving cases, such as the lack of any clear correlation between blood drug concentrations and impairment for many drugs (p. 8).

Priorities and Strategies for Improving the Investigation, Use of Toxicology Results, and Prosecution of Drug-Impaired Driving CasesRead More

Resource Category: Reports and PublicationsForensic Discipline: Drug Recognition Experts

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