FSC239Y5 Lecture Notes - Lecture 1: Dna Profiling, Fire Marshal, Forensic Science

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Investigative aid: support charges, eliminate suspects, public safety and protection, public services. Cfs clients: police, lawyers, coroners, pathologists, other investigators (eg. siu, ofm office of fire marshal) Split 50/50 between two services: high volume service - break and enter, theft of motor vehicle, drug/weapon possession, violent crime scene service swabs. murder, attempt murder, sexual assault, robbery, etc. Biological material: body fluids: blood, semen, saliva, hairs, skin cells: wearer" and handler". How do we do it: evidence recovered from scene, submitted by police, processed by cro at cfs (centre of forensic science, care assessed by scientist, screen item for body fluid, dna testing. Screening unit: examine items for body fluids, process/sample items for dna. Scientist team: assess cases, dna/body fluid interpretations, prepare reports, testify in court. Dna in forensic science: two copies per cell, dna identical in all cells, unique to each individual, 99% of human dna is identical, 1% of human dna is variable.

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