ANT102H5 Lecture 7: Ant 205H5 week 3
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ANT102H5 Full Course Notes
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Contents of ashtray- butts good dna, toilet seat up or down, anything in toilet tank, stains splatters, floor walls ceilings, sheets. Ident- presumptive tests, hemastick- stain is likely blood, further lab tests to determine the type of blood. Alternate light source, stains, fibers- impressions, fingerprints, document: photos, videos, maps, notes. Without= original condition, nothing hidden from view: evidence collection. Date and time, location, initials: analysis of evidence: crime lab scientists or consultants, identify object substance, material, trace its origin. Identification: comparative process, tool mark analysis, shape of marl, class characteristics, id groups of items, physical, morphological, chemical, biological properties, e. g. type of weapon- knife, axe, saw, cleaver. Individualizing traits: accidental use/ wear, history of weapon, burns, striations, chips and rust, id specific weapon. Ident, expert consultants, analysis of evidence and statements, interpretation of patterns, reconstruction at a crime scene, eliminate potential actions or events, observation: physical evidence, logic.