Crime Scenes
The separation of witnesses is due to
Collusion of stories
CSI's use these types of light sources
White, infrared, and ultraviolet light
Direct evidence involves
Testimonial evidence and video recordings
Follicular tag holds
DNA of the person
Locard's Exchange Principle in regards to pollen & spores
Easily transported, potentially narrows down where a victim or suspect has been
The permanent reference point
Datum point
Deals with poisons and unknown liquids
Toxicologist
The addition of preservatives and additives for evidence storage
not allowed
This system reads, classifies, matches and stores fingerprints
AFIS
Paint chips collected by
forceps into paper druggist folds, glass or plastic containers
Deals with defined boundaries
Quadrant/Zone
Deals with creating profiles of perpetrators based on crime scene evidence
Psychiatrist
Single layered paint
Class & Circumstantial
Hair analysis is important to be able to tell
Somatic Origin, Racial Origin, and drug history
Soil is differentiated by
pH, color, texture, composition
Crucial document needed throughout investigation
Chain of Custody
Forensic Artists do this at the crime scene
Rough Sketch & Composite Sketches
Fingerprints are classified as
Individual, Circumstantial, Physical
Fiber originates from
carpets, clothing, linens, furniture, rope, tape, ect.
Pollen is from
seed bearing plants
Different distances and angles used for photography
Triangulation
Sequences of events (ex. car accident)
Forensic Engineer
Breathability is important for
Evidence that can hold moisture (can mold), example clothing
Fingerprint class that has accidentals
Whorls
Testing paint involves making
Cross sections