FSC100H5 Lecture Notes - Lecture 6: Personal Protective Equipment, Tyvek, Eye Protection
Document Summary
Ethics & best practices: many ethics-related aspects of crime scene investigation, contamination, chain of custody, conflict of interest, contextual bias, certainty, confidentiality. Evidence formation: pattern, produced by forcible direct contact, conditional, produced by event or action, transfer, caused by physical contact persons or persons & objects, locard"s exchange principle. Loss, destruction or alteration or physical evidence: change in appearance of the crime scene, addition of evidence after the offense, consequences, values of evidence decreased, misleading interpretations & conclusions, witnesses/victims/suspects not believed, evidence inadmissible at trial. Scene safety & contamination: pathogens may be present, hiv, hepatitis, tetanus, among others. Importance of safety precautions: handwashing, use of barriers, aseptic techniques, proper handling of sharps, cross-contamination, unintended movement of material between two or more objects, keep the investigators off the scene and the scene off the investigators. Show covers: tyvek suits, gloves, eye protection, respiratory equipment, minimize but do not eliminate exposure possibility.
