Research & Education JFS Articles AAFS Connect Conference Proceedings Reference Series Library International Educational Outreach Program Evaluating Forensic Evidence in Drug Impairment Cases: Pitfalls and Complexities of Testimony by Non-Medical Witnesses Presenting section: Jurisprudence 2015 Brehmer, Jeremy C., Bakersfield CA; Lee, Josh D., Vinita OK View the paper Jurisprudence