chapter 1 Flashcards
forensic science
the application of science to law
criminalistics
sub division of forensics that looks at the collection and analysis of physical evidence during criminal activity
CSI effect
growth in forensic science from TV shows
locard exchange principle
when a person comes into contact with an object or person a cross-transfer of materials occurs
physical science unit
using principles of science to the identification and comparison of crime scene evidence
biology unit
they perform DNA profiling on bodily fluids and hair, and identify botanical materials
firearms unit
examines firearms and ammunition of all types
document examination unit
studies handwriting and typewriting on questioned documents to determine the authenticity
photography unit
examines and records physical evidence
toxicology unit
examines organs and bodily fluids for the presence of drugs and poison
latent fingerprint unit
processes and examines evidence for latent fingerprints
polygraph unit
lie detector test
voiceprint analysis unit
use a sound spectrograph to tie a voice with a suspect
CSI unit
go to a crime scene and collect and preserve physical evidence
scientific method
process that uses strict guidelines to ensure careful and systematic collection, organization, and analysis of information