Week 1 Flashcards
(34 cards)
What is forensic science?
the application of science to criminal and civil laws.
What is the Locard Exchange Principle
when a person comes into contact with an object or another person a cross-transfer of materials occurs
What are the 5 crime lab units?
Physical Science Unit
Biology Unit
Firearms Unit
Document Examination Unit
Photography Unit
What is the Physical Science Unit?
Uses principles of chemistry, physics, and geology to identify and compare physical evidence
What type of evidence does the physical science unit analyze?
drugs, glass, paint, explosives, and soil
What is the Biology Unit?
Uses knowledge of biological services in order to investigate biological fluids or touch samples or DNA
What type of evidence does the biology unit analyze?
blood, hair and fiber sample
What is the Firearms Unit?
Investigates discharged bullets, cartridge cases, shotgun shells, ammunition and includes tool mark comparisons
What is the Document Examination Unit?
Provides the skills needed for handwriting analysis and other questioned-document issues
What is the Photography Unit?
Applies specialized photographic techniques for recording and examining physical evidence.
Who is the father of forensic toxicology?
Matthew Orfila
Who Devised the first scientific system of personal identification in 1879?
Alphonse Bertillion
Who wrote the first treatise describing the application of scientific principles to the field of criminal investigation?
Hans Gross
Who Incorporated Gross principles within a workable crime laboratory?
Edmond Locard
What are the Functions of a Forensic Scientist?
applying the principles and techniques of the physical and natural sciences to analyze the many types of evidence that may be recovered during a criminal investigation
provide expert court testimony
What are Special Forensic Science Services?
They’re available to the law enforcement community to augment the services of the crime laboratory.
Define Forensic Psychiatry
the relationship between human behavior and legal proceedings is examined.
Define Forensic Odontology
involves teeth to provide information about the identification of victims when a body is left in an unrecognizable state; also investigates bite marks, though this has become a controversial method of analysis
Define Forensic Engineering
involves failure analysis, accident reconstruction, and causes and origins of fires or explosions.
Define Forensic Computer and Digital Analysis
involves the identification, collection, preservation, and examination of digital evidence.
What is The Frye Standard?
The Fyre V. The United States decision set guidelines for determining the admissibility of scientific evidence into the courtroom. ( Saying that evidence must be “generally accepted” by the scientific community)
What are exceptions to the Frye Standard?
1993 Daubert V. Merrell Dow Pharmaceutical Inc
What is The Daubert Criteria
Supreme Court offered guidelines on how judges can gauge the reliability of scientific evidence
What does physical evidence include
any and all objects that can establish that a crime has been committed or can link crime and victim or victim and perpetrator.