Intro to forensics Flashcards
Eyewitness
A person who has seen someone or something and can communicate those facts
Analytical skills
The ability to identify a concept or problem
Forensic
The application of scientific knowledge to legal questions
Observation
What a person perceives using his or her senses
Perception
Interpreting information received from the senses
Deductive Reasoning
Deriving the consequences from the facts by using a series of logical steps
Deriving
Reasoning
Fact
A statement or assertion of information that can be verified
Logical
Conclusions drawn from assumptions and known facts
Opinion
Personal belief founded on judgement rather then on direct experience or knowledge
Rule of Admissibility of Evidence
If the evidence can be used in court or not
Chain of Custody
A list of all people who came into contact with an item of evidence
Class Characteristics
Properties of evidence that can be associated only with a group and never a single source
Frye standard
Rule of admissibility of evidence, procedure and equipment presented at trial must be generally accepted by the scientific community
Individual Characteristics
Properties of evidence that can be attributed to a common source with an extremely high degree of credibility
Locards exchange principle
when 2 objects come into contact with one another a cross transfer of material occurs
Cross transferring
Where you transfer materials between objects
Physical Evidence
Any object that can establish a crime has been committed or can link a suspect to a victim or a crime scene
Reference sample
A sample from a known source used for comparison, also known as exemplar
Scientific method
A series of logical steps to ensure careful and systematic collection, identification, organization and analysis of information
Soil examination (1 word definition)
Dirt
Ballistics (1 word definition)
Bullets
Document Examination (1 word definition)
Documents
DNA Analysis (example hint S and U)
Saliva and urine
Toxicology (1 word definition)
Poison
Latent fingerprinting (1 word definition)
Fingerprinting
Glass analysis (1 word definition)
Glass
Hair and Fiber (2 word definition)
Hair and clothing
Blood Spatter (1 word definition)
Spatter
Serology (1 word definition)
Blood
Entomology (1 word definition)
Bugs
Casts and Impressions (1 word definition)
Impressions
Odontology (1 word definition)
Teeth
Cyber Crimes (1 word definition)
Computer
Arson (1 word definition)
Fire
Pathology (1 word definition)
Autopsy
Mathieu Orfila
Father of toxicology
Alphonse Bertillon
Invented a body measurement system
Sir Arthur Conan Doyle
Invented Sherlock Holmes
Hans Gross
Criminalistics
Francis Galton
Realized finger printing could be used
Sir Edward Richard Henry
Classified finger printing
Karl Landsteiner
Came up with different blood types
FBI
Largest forensic science lab in the world
Edmond Locard
Principle which has to do with cross transferring
Albert Osborne
Wrote Questions document
Leone Lattes
He typed blood for DRY stains
Calvin Goddard
Ballistics and comparison microscope
Frye v U.S.
Frye Standard
Rosalind Franklin
CAME UP with the structure of DNA
Watson and Crick
BUILT the DNA structure
Alec Jeffreys
DNA fingerprinting
Daubert v Merrell Dow
Trial judge ended up having the power to decide if expert testimony was admissible
What is the major difference between a field forensic scientist and a crime lab forensic scientist
Field scientist secures the crime scene
Crime forensic scientist receives or signs for evidence
Discovery ( the discovery in the trial process)
Both sides has to share their information
What are the 4 pretrial steps? (SADP)
Suspect arrested
Arraignment
Discovery
Preliminary hearing
What other route can the trial process go when it gets to discovery (PCS)
Plea deal offer accepted
Conviction
Sentencing
Post trial process (JACAS)
Jury deliberation Acquittal Conviction Appeals Process Sentencing
In what year was the US constitution signed
1787
Which amendment provides the right to trial by a jury of peers for criminal case?
6th amendment
Which amendment protects people against unreasonable search and seizure of their person and property?
4th Amendment
When will a judge issue a search warrant or arrest warrant?
Probable cause
What 3 things allow law enforcement to search or make an arrest without a warrant?
- person gives consent
- immediate danger
- immediate risk of evidence being destroyed
Arraignment
Pretrial conference between the prosecution and defense
In what type of cases is bail usually not offered
Capital murder
During what phase is a plea deal offered?
Discovery
What does reaching a unanimous verdict mean?
Everyone agrees on the verdict
When does the appeals process take place
After conviction
What type of evidence can be used?
No new evidence can be used, same evidence as the last trial