Expert Witness Testimony 2


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  • Jury CSI effectLay witness:-saw/did/heard/no opinionsExpert witness:-education-training-skill-experience-knowledge in particular subject
  • Frye v. United States, 293 F. 1013 DC Cir (1923):-generally acceptedDaubert v. Merrell Dow Pharmaceuticals, 509 U.S. 579 (1993):-Trial judges are gatekeepers-Established criteria for admissionWhether the scientific technique or theory can be tested.Whether the technique has been subject to peer review and publication.The techniques potential rate of error.Existence and maintenance of standards .Whether the scientific theory or method has attracted widespread acceptance within a relevant scientific community. -Precedence
  • Pre-Trial:-Conference w/attorney-explain processes-explain displays/charts-explain technical testimony-discuss questions-opposing counsel-perfectly legal-not providing you answers-Know court/courtroomDay of Court:-early-contact attorney-reports/exhibits Outside Courtroom-other involved agencies-professional-don’t discuss case-read your reports-pictures/exhibits
  • Called In: (Bailiff)-walk to stand-address judge-carry folder in left hand-upright/steady-take stand-remain standingSpeaking:-clear/loud-oath/straightOn the stand:-up straight-alert-focused-interested
  • APPEARANCE:-impressions important-professional-uniform-business professionalMen:-Suit/sport coat & tie-Shined shoes-PresidentWomen:-Business suit-Skirt/blouseNEVER:-Flip flops-Tank tops-Wife beaters-Shorts
  • JewelryMales:-rings-watch-earrings/nose rings/lip rings-tattoos-hair length-shavenFemales:-rings-watch-earrings/nose rings/lip rings-tattoos-hair length
  • ESTABLISHING EXPERT STATUS:Trial judge (gatekeepers)Plaintiff/DefenseDirect examination:-Name-Employment (Title)DutiesLength3 P’s-EducationDegrees/Institutions-TrainingSpecializedCertifications/agencySpecific to duties-ExperienceTimeEmployer (s) Duties-PublishedStudiesBooks/Papers (peer reviewed)
  • Opposite side:-Stipulate -Cross examination:DiscreditSpecific questionsArticles /studies disputingOkay to say “I don’t know”Judge Rules:Accept-testify to opinionDeny-testify to what you didPrecedenceCourt accepted expert witness
  • Expert opinion-testing procedures-scientific processes-results-opinion/findingsNo biasesNo stake in outcomeDuty to truth only!
  • Testifying:-listen to question-pause for 1-2 seconds-face jury-answer clearly/concise-ask for clarification-you set the pace-never lie!Notes/Report (ask permission)-case specific-aid for memory-permission to get upREMEMBER: RESPECT JUDGE’S HOUSE!!
  • Cross Examination:-dreaded!!!-may stipulate (over)-not personal-reasonable doubt-discipline questions-low/high knowledge-articles/studies-error rates-”is it possible?”-don’t argue-courteous/smile-blocking trick-answer what you can
  • Expert Witness Testimony 2

    1. 1. Expert Witness testimony<br />South Puget Sound Community College<br />Forensics Department<br />
    2. 2. Expert Witness<br />Jury CSI effect<br />Lay witness:<br />-no opinions<br />Expert witness:<br />-knowledge in particular subject<br />-testify to opinions<br />
    3. 3. Expert Witness<br />Frye v. United States, 293 F. 1013 DC Cir (1923):<br />-generally accepted<br />Daubert v. Merrell Dow Pharmaceuticals, 509 U.S. 579 (1993):<br />-judges are gatekeepers<br />-criteria for admission <br />-precedence<br />
    4. 4. Expert Witness<br />Pre-Trial:<br />-Conference w/attorney<br />-explain processes<br />-explain displays/charts<br />-explain technical testimony<br />-discuss questions<br />-opposing counsel<br />-Know court/courtroom<br />Day of Court:<br />-contact attorney<br />-reports/exhibits <br />Outside Courtroom<br />-professional<br />-don’t discuss case<br />-read your reports<br />-pictures/exhibits<br />
    5. 5. Expert Witness<br />Called In:<br />-walk to stand/address judge<br />-folder in left hand<br />-upright/steady<br />-take stand<br />-remain standing<br />Speak:<br />-clear/loud<br />-oath/straight<br />On the stand:<br />-sit straight<br />-alert<br />-focused<br />-interested<br />
    6. 6. Expert Witness<br />APPEARANCE:<br />-professional<br />-uniform<br />-business professional<br />Men:<br />-Suit/sport coat & tie<br />-Shined shoes<br />Women:<br />-Business suit<br />-Skirt/blouse<br />NEVER:<br />-Flip flops<br />-Tank tops<br />-Wife beaters<br />-Shorts<br />
    7. 7. Expert Witness<br />Jewelry<br />Males:<br />-rings<br />-watch<br />-tattoos<br />-hair length<br />-shaven ?<br />Females:<br />-rings<br />-watch<br />-tattoos<br />-hair length<br />
    8. 8. Expert Witness<br />ESTABLISHING EXPERT STATUS:<br />Plaintiff/Defense<br />Direct examination:<br />-Name<br />-Employment (Title)<br /><ul><li>Duties
    9. 9. Length</li></ul>-Education<br /><ul><li>Degrees/Institutions</li></ul>-Training<br /><ul><li>Specialized
    10. 10. Certifications/agency
    11. 11. Specific to duties</li></ul>-Experience<br /><ul><li>Time
    12. 12. Employer (s)
    13. 13. Duties</li></ul>-Published<br />
    14. 14. Expert Witness<br />Opposite side:<br />-Stipulate <br />-Cross examination:<br /><ul><li>Discredit
    15. 15. Specific questions
    16. 16. Articles /studies disputing
    17. 17. Okay to say “I don’t know”</li></ul>Judge Rules:<br /><ul><li>Recognized as expert witness</li></ul>-testify to opinion<br /><ul><li>Deny</li></ul>-testify to what you did<br /><ul><li>Precedence</li></li></ul><li>Expert Witness<br />Expert opinion<br />-testing procedures<br />-scientific processes<br />-results<br />-opinion/findings<br />Duty to truth only!<br />
    18. 18. Expert Witness<br />Direct Examination: (established expert)<br />-employment/tenure/duties<br />-education/train/experience<br />Specific case:<br />-role/function<br />-specific actions<br />-opinion (s)<br />
    19. 19. Expert Witness<br />Testifying:<br />-pause for 1-2 seconds<br />-face jury<br />-you set the pace<br />-never lie!<br />-notes/report (ask permission)<br />-case specific/memory aid<br />-permission to get up<br />REMEMBER: RESPECT JUDGE’S HOUSE!!<br />
    20. 20. EXPERT WITNESS<br />Cross Examination:<br />-reasonable doubt/ask discipline questions<br />-articles/studies/error rates<br />-”is it possible?”<br />-don’t argue/courteous/smile<br />-answer what you can<br />