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- Don't be afraid to ask for clarification of unclear questions.
 - Make sure the expert's testimony is consistent with experience and the technical literature.
 - Explain in layman's terms how tests and measurements were performed.
 - Make and maintain eye contact with the examining attorney. This helps to establish credibility.
 - Be certain of the meaning of definitions used in questions and answers.
 - Do not be too brief when giving answers to questions.
 - Use examples for points of comparison.
 - Limit the use of examples to one good one for each major point.
 - Demonstrative materials require close attention of the trier of fact. Keep them simple.
 - Confirm the use of demonstrative materials with counsel and the opposition.
 - Step to one side of illustrations — face the audience.
 - Draw first and then turn toward the audience.
 - Be sure to make demonstrative drawings VERY LARGE.
 - Do not try to read and talk at the same time.
 - Do not look through the case file and talk at the same time.
 - Meet with the attorney before the trial to discuss testimony.
 - Translate statistics into a form that is meaningful for the case.
 - Have a strong recollection of the facts in the case file.
 - Generally stand firm on your testimony position.
 - Admit errors at once.
 - Be very familiar with your own résumé or curriculum vitae.
 - Do not cut off questions or answer too quickly. Pause to take a breath.
 - Know the relevant technical literature — particularly "the bible" in the expert's field of expertise — as well as the prominent journals.
 - Ask the retaining attorney what items to take to court or deposition.
 - Raise and lower the tone of voice and volume for effect.
 - Use the "pregnant pause" as an effective response technique for conveying persuasive findings and opinion with confidence.
 - Fix your eyes on the recipient of the information.
 - Remember that court business is always very serious business.
 - Know that it is permissible to laugh at obvious humor — but never be a joker.
 - Refer to notes and notebooks during testimony as needed because they are helpful.
 - Know that your notes and notebook can and will be looked at by the opposition.
 - Let the examiner finish the question before starting to answer.
 - Avoid putting your hands near your face — this signals nervousness and insecurity.
 - Be sure that the preservation of chain of custody and evidence are perfect.
 
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
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