Body And Forensics Flashcards
Lab officers
Assist in preparing tests
Crime scene investigator
Investigate the crime scene
Latent print examiner
Finds finger prints at crime scenes and examine them
Firearms examiner
Help the court by providing evidence such as serial numbers
Tool mark examiner
Analyses weapons and marks on a victim
Document examiner
They examine printed and digital items
Trace evidence examiner
Examine any evidence found at a crime scene
Forensic pathologist
They determine the cause of death from the victim
Forensic anthropologist
Look at bones for evidence
Forensic odontological
Examine teeth and bite marks
Forensic entomologist
Study insects
Field officers
Head investigator at the crime scene
DNA profiler
Collects DNA to match to a suspect
Crime scene photographer
Takes photos of evidence from the crime scene
Toxicologist
Examines chemicals found at the crime scene
Forensic psychiatrist
Focuses on the interface of law and mental health
Coroner
Asks question to find out how someone died if it was unknown
Police officer
They are the first to the crime scene and find evidence
Polygraph examiner
Uses a machine to see if someone is lieing
Blood stain analysts
Investigates the blood found at the crime scene
Forensic accountant
Keeps all files / records from crimes
Arson and fire examiner
Investigate intentionally started fires
Forensic artist
Draws people who are suspected / witnesses / victims
Forensic serologist
Examine bodily fluids
Forensic psychologist
Determine if someone is sane
Criminology
Determines why the suspect committed the crime
Digital forensic experts
Recovers the material found in digital devices
What is trace evidence
A unit of evidence created by when objects contact
What are five examples of trace evidence
Fibres Hair Soil Pollen Gunshot residue
What is always left at the crime scene
DNA
fingerprints
Trace evidence
What is impression evidence
Objects that have retained the characterises of other objects through direct contact
What are features for tire tracks
Tread patterns
Width and depth of tread
Unique characteristics due to damage
What are features for tool marks
Dimensions of the impression
Ridges or striation patterns
Defects
Paint chips
What are features for shoe prints
Tread patterns
Wear patterns
Material defects or damages
Other trace materials
What are features for bite marks
Type of bite
Characteristics of teeth
Colour of area
Swab for bodily fluids
What is anthropometry
The study of measurements of bones and body parts
When might it be used and why = anthropometry
It could be used if there were no fingerprints to find the measurements of someone
What are the three fundamentals that criminal investigators use when looking at fingerprints
A fingerprint is an individual
A fingerprint pattern
Fingerprint ridges
What are the 3 main types of fingerprints
Arches
Loops
Whorls
What are latent prints
Impressions left by friction ridge skin on a surface
Why do we use powder when dusting prints
So we can lift them off with tape
What are the six groups of human hair
Scalp hair Beard hair Under arm hair Eyebrow hair Pubic hair General body hair
What is hair made of
The protein keratin
What are the 3 layers of hair
Medulla
Cortex
Cuticle
Why does BPA stand for
Blood pattern analysis
What can investigators learn from the analysis of blood splatter
Position and movements Number of blows Type of injury How long ago the crime was Which wound was inflected
How do hairs and fibres differ
They have different sizes and textures
What is the difference between man made and synthetic fibres
Natural fibres have a rough surface whereas man made fibres are smooth
