A Project of the University of Michigan Law School and the MDefenders Program

Amicus Brief to Exclude Drug Recognition Expert

Pages 1-4 discuss the history and development of the DRE program; pages 6-10 explain how the DRE test fails Rule of Evidence 702 because it does not assist the trier of fact to understand a fact in issue and the officers who testify about it are not qualified in the relevant field of knowledge; and […]

Motion to Exclude Drug Recognition Expert

Overviews the history of the DRE program and the lack of scientific studies supporting DRE validity, cites studies demonstrating DRE conclusions are inaccurate and inconsistent.