Defining a crime scene:
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T or F: once the incident is reported, first responders are called through a three tiered dispatch system.
True
Who asses the crime scene first?
Responding officer (Constable) - Also ensures the management of the scene (crucial for integrity of the scene).
What are the five steps of crime investigation:
• Crime reported, first responders dispatched. • Responding 1st officer (uniformed), performs assessment and decides on immediate action and services scene • If there’s a deceased= death scene (coroner is called) • The ranking officer arrives and manages the scene • CSI consults the Ranking upon arrival.
What are the three types of officers involved in types of officers?
• Uniformed • Ranking • Detective
Uniformed:
“Constable” - Responds to emergency calls - Assumes initial control of the scene until the Ranking officer arrives. - Specifically establishes an inner and outer
Ranking:
“Sergeant” - Supervises constables - Assumes control of scene until ranking CSI arrives
Detective:
“Criminal investigator” - Police officer (any rank) for crime investigator - Conducts/manages investigations to prepare case (court).
CSI In Canada is also called . . .
Forensic identification officer
To become a a Forensic identification officer you must . . .
• A sworn officer • Become a Soco (scene of crime officer) • Become an identification officer • Spend time in the central investigation bureau
T or F: Depending on the crime, 1-2 I.D officer
True
How many officers are in a death investigation?
Death investigation (2 I.D officers) - Lead FSC investigator - Less experienced FSC investigator
What are other types of people who work on a crime scene:
Civilian, FSC I.D assistant
Civillian:
Someone who hasn’t completed formal police training and is not sworn.
FSC I.D assistant:
Assist officer (process evidence) - Toronto: crime scene support techs require FSC backgrounds
Forensic scientists in Canada:
• Evidence submitted to a crime lab, by CSI • Enters case recipient unit • Exhibits tagged “Computerized monitoring systems”
What did acomputerized monitoring system allows . . .
• Where evidence is • Who has it • How far the analysis (proceed)
T of F: Exhibits go to ERU (Evidence Recovery Unit)
True
Who collects Exhibits?
CRO personnel
Other areas of Forensics . . .
• Forensic Biology • Forensic Toxicologist • Forensic Chemist • Forensic Firearm examination • Forensic Questioned Document examiner
Forensic Biologist:
Analyze Biomaterial (semen, blood, ect) - Human/non-human and DNA analysis Min honours degree: Bio/Biochem/molecular bio (most have grad degree)
Forensic Toxicologist:
Determine the presence/amount of toxins) - Determine Physiological effects - Min honours B.Sc (most grad degrees) Bio-chem/pharmacology/physiology/chem
Forensic Chemist: “Trace evidence specialist”
• Analyze non-bio evidence (Trace evidence, substances) • What substance is/what are its chem continents and elements • Min honours B.SC (most grad degrees)
Forensic Firearm Exam: not ballistics
• Analysis (tool marks, tools, firearm, and ammunition) • Phys matching of tool and suspect mark • Min honours B. Sc (engineering, and physics)
Forensic Questioned document examiner:
• Documents that contain (Letters, numbers, and symbols) don’t express meaning or authorship • Analyze/compare handwriting • Examine document alterations (Where document comes from) • Min honours B.Sc (chem)