Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
37 Cards in this Set
- Front
- Back
|
Trace evidence?
|
Small, sometimes microscopic material that can be overlooked at a crime scene
|
|
|
Criminalistics/trace evidence examiners/micro-analysis's?
|
All types of physical that may be key or circumstantial evidence
|
|
|
Micro-analysts?
|
determine the nature of trace evidence and compare it with known materials for place of origin
|
|
|
Locard Exchange Principle?
|
It is impossible not to change an environment when you walk into it
|
|
|
Building materials?
|
Cement, wood, brick, drywall..
|
|
|
Textiles and fabric materials?
|
A portion of fabric or textiles(carpets)
|
|
|
Five types of textile?
|
-Animal fibers
-Wool -Cotton -Polyester -Fiberglass |
|
|
Footwear trace evidence?
|
-Dust
-Soil -Debris -Vegitation |
|
|
Trace Metal Detection Test?
|
Spraying of solution on suspects hand and then observing with ultraviolet light
|
|
|
Gun shot residue analysis?
|
inspecting for residue of gun shot
|
|
|
Mass Spectrometry?
|
Performs spectrographic analysis, records on film, material is burned with different colors
|
|
|
Neutron activation analysis?
|
bombarding the specimen with neutrons, making the substance radioactive
|
|
|
Gas chromatography?
|
Identify the ingredients of liquid substances
|
|
|
Wet chemistry?
|
Mixing chemicals with material to change its color
|
|
|
Infrared Light?
|
Used to make things appear that will otherwise be invisible
|
|
|
Ultraviolet light?
|
Used to obtain prints off of conflicting color patters
|
|
|
Evidence vacuum?
|
Vacuums that have been sterilized and equipped with a special clean filter
|
|
|
Comparison microscope?
|
characteristics of bullets and guns
|
|
|
X-rays?
|
looking at the contents of a package without opening it
|
|
|
Sound Spectromety?
|
transforms sound into visual patterns on a graph
|
|
|
Visible print?
|
when footwear steps into a foriegn substance and contaminates it and then steps on a clean surface
|
|
|
Plastic prints?
|
when footwear makes an impression in a soft surface
|
|
|
Latent prints?
|
Invisible prints that need chemicals to see
|
|
|
Casting?
|
Using dental stone to obtain an impression
|
|
|
Gel lifters?
|
Gelatin layer permits the lifting of traces
|
|
|
Radioactive decay?
|
A radioactive item gives of radiation
|
|
|
Diffraction photography?
|
optical effect which limits the total resolution of photography
|
|
|
Photomicrograph?
|
Magnify a digital image
|
|
|
Reagents?
|
A substance or mixture in a criminal analysis
|
|
|
Spectrometer?
|
identify material or liquid
|
|
|
Audit?
|
An examination and verification of accounts
|
|
|
Plaster of Paris?
|
A plaster that is used to obtain plaster
|
|
|
Control sample?
|
A sample that is used to compare other samples
|
|
|
Luminol?
|
A luminecent light that shows agents such as blood
|
|
|
Dental stone?
|
Can be used during casting
|
|
|
Oscilloscope?
|
Measure the frequency of an electrical signature over time
|
|
|
Radioclides?
|
Is a nuclide that is radioactive
|
