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Lecture 1

MEDT220 Lecture 1: MEDT 1

2 Pages

Medical Laboratory Sciences
Course Code
Lehman, Donald C

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find more resources at Forensic Science 220 Lecture 1  Definitions of Forensic Science (use biology, chemistry, medicine, physics, etc) o Application of science to matters of law o Applies the knowledge of technology of science to the definition and enforcement of laws o Application of science to the criminal and civil laws that are enforced by police agencies in a criminal justice system  Criminalistics: criminalist or forensic scientist  Forensic science is not a branch of law enforcement o Forensic scientists do not interrogate/arrest suspects or investigate crime scenes  3 Major Ways to Assist Police Investigators o 1. Confessions (could be falsely confessing for streetcred or to cover up for someone they know) o 2. Eyewitness accounts by victims/witnesses (could provide false information because they were under stress during the crime) o 3. Evaluation of physical evidence  Only way that is free of bias (if it is ethical and honest)  Functions o Job is to analyze physical evidence and testify in a courtroom o Expert testimony: must satisfy trial judge that he/she has skill and knowledge in their trade/profession o Qualifications of expert witness are highly subjective o Expert witnesses express opinions as to the significance of the finding o The ▯ie▯s are onl▯ accepted as representing the e▯pert’s opinion  This is hard to argue against in court (up to the jury to determine validity)  Crime Scene Investigators o Crime lab analyses are only relevant if crime scene evidence is properly collected and preserve
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