Intro to forensic science (1.1) & C.S. Processing (2.1)
Name three places a Forensic scientist might work.
law offices and courtrooms, labs, medical examiner's office, police departments, state and federal agencies, private companies
the best type of packaging for controlled substances and illicit drugs is......
metal (paint cans) and plastic
the right of the people to be secure in their persons, houses, papers, and effects against unreasonable search and seizures.
The Fourth Amendment
admissions, confessions, and statements are considered ______________ evidence.
testimonial evidence
the smallest unit of a textile material
fiber
what are three forensic science specialties that fall under "criminalistics"?
trace evidence, digital evidence, behavioral analysis, latent print, impression evidence, firearms & toolmarks, questioned documents.
the best way to package glass chards and paint chips is
bindle
it enables the ability to reconstruct the crime scene and put the evidence back in it's original location.
sketch and diagram
this type of evidence provides a factual framework and objective information.
physical evidence
involves the shaking and/or scraping of an item of evidence to collect the trace materials.
mechanical dislocation
the examination and evaluation of a crime scene and any evidence found there for documenting the scene, its context, and recovering evidence.
crime scene processing
Biological evidence should be dried and packaged in _____________.
Paper
if police suspect stolen items are housed in a particular residence, they must provide supporting evidence to justify a search warrant. this is an example of......
probable cause
A note was found at a crime scene. A notepad with a similar type of paper was found in the desk of a suspect. Is the note individual or class evidence to the pad of paper?
Class - there were many of these notepads made
A hair was found on the kitchen floor of the victim’s home. Hair samples were taken from the suspect to microscopically compare with the hair at the scene. They are microscopically similar. Is the hair individual to the suspect? Or is this class evidence?
Class evidence / characteristic
when does crime scene processing begin?
when first responders release the scene to detectives / technicians, then processing begins.
this will tell you where evidence was stored as well as who handled it after it was collected
the "chain of custody"
It is required in order to execute a search warrant
Probable cause
it relies on the context in which the evidence is found
the Interpretive value of evidence
another name for an "unknown sample" is
crime scene sample
crime scene processing methodology includes observing, documenting, searching, _____________, and ______________.
5. collecting
6. processing
describe how an evidence package should be properly sealed. (there's two main requirements)
the seal should run from end to end or (from one edge of the pkg to the opposite edge) and the initials and date should make contact with both the package and the seal.
in order to have probable cause, police must believe a crime has occured or will occur in the future, particular evidence of that crime is in a particular place, and
and that particular evidence is located in that particular place now.
when interacting with an object or another person, you will leave behind part of yourself and take something with you.
Locard's Exchange Principle
different methods by which a forensic expert examines trace evidence.
physical / visual analysis and chemical analysis