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The expert should present a description of the relevant technology to show its potential vulnerabilities. It is important to discuss this description with the attorney in advance so that proper preparations can be made to rehabilitate the expert witness on the stand if opposing counsel questions the expert about these weaknesses.
The attorney should be informed of any weaknesses in testing methods that could affect test results or conclusions. Explanations can be offered to show how additional tests are performed to strengthen the reliability of results (e.g., multiple presumptive tests when confirmatory tests are not possible).
Additional Online Courses
- What Every First Responding Officer Should Know About DNA Evidence
- Collecting DNA Evidence at Property Crime Scenes
- DNA – A Prosecutor’s Practice Notebook
- Crime Scene and DNA Basics
- Laboratory Safety Programs
- DNA Amplification
- Population Genetics and Statistics
- Non-STR DNA Markers: SNPs, Y-STRs, LCN and mtDNA
- Firearms Examiner Training
- Forensic DNA Education for Law Enforcement Decisionmakers
- What Every Investigator and Evidence Technician Should Know About DNA Evidence
- Principles of Forensic DNA for Officers of the Court
- Law 101: Legal Guide for the Forensic Expert
- Laboratory Orientation and Testing of Body Fluids and Tissues
- DNA Extraction and Quantitation
- STR Data Analysis and Interpretation
- Communication Skills, Report Writing, and Courtroom Testimony
- Español for Law Enforcement
- Amplified DNA Product Separation for Forensic Analysts