Chapter: 1,2 Flashcards
What does a forensic scientists do?
( three answers)
- Analyze physical evidence
- Provide expert testimony
- Provide training in the recognition, collection and preservation in physical evidence
_______ is the application of scientific technology to supply accurate and objective information reflecting the events that occurred at a crime.
Forensic Science
Sherlock Holmes:
Fictional character that used forensic science to solve crimes
Matthieu Orfila:
Father of toxicology
Alphonse Bertillon:
Father of criminal identification
Francis Galton:
Fingerprint test
Leone Lattes:
Blood typing
Calvin Goddard:
First forensics lab
Albert Osborn:
South America
Edmund Locard:
Locard exchange principle
J.Edgar Hoover:
First director of the Federal Bereau of Investigation
Dauburt vs. Merrell Dow:
Case of drugs that caused a birth deffect; admission of scientific evidence
Frye vs. U.S.:
Polygraph ruled in admissible
Ted Bundy:
Bite mark evidence was key to confession
What are the federal rules of evidence?
The code, rules and regulations determine standards of submitting evidence about a crime scene
What is the Locatd Exchange Principle?
When two subjects come into contact their is an exchange in materials
Explain Corpus Deliciti
Must provide reason why crime occurred
The first officer at the crime scene must ADAPT, explain what this means
A-access the scene D-detain witnesses A-arrest the perpetrator If possible P-protect the crime scene T-take notes
List the steps in processing a crime scene
A-secure and isolate the crime scene
B-record the crime scene
C-conduct a systematic search for evidence
D-collect and package physical evidence
E-maintain a chain of custody
F-obtain standard and reference standards
G-submit evidence to the laboratory
What are three ways to document a scene?
Notes, photos, sketches
What information should be on a sketch:
A-address B-case number (based on date and what the case was that day) C-Date, sketch, case it made, by whom D-legend/key E-scale used for sketch or statement F-not to scale