Applied Methods of Crime Scene Investigation: The Real CSI

These flashcards cover key concepts related to evidence in crime scene investigation, including definitions and classifications of various types of evidence.

Evidentia

Latin term meaning 'to be visible'.

Real Evidence

Also referred to as physical evidence; refers to evidence that is derived from physical objects.

Biological Evidence

Real evidence that originates from a living source.

Class Characteristics

Traits that allow a piece of evidence to be associated with a group.

Individual Characteristics

Distinct differences in a piece of evidence that allow it to be traced back to a single source.

Direct Evidence

Evidence that can prove or disprove a fact directly, based on personal knowledge or observation.

Circumstantial Evidence

Indirect evidence that relies on an inference to connect it to a conclusion of fact.

Associative Evidence

Evidence that links an individual to the crime scene or victim.

Indicative Evidence

Evidence that indicates a certain amount of time has elapsed.

Trace Evidence

Microscopic materials transferred from one location to another, often difficult to collect and analyze.

Friction Ridges

Raised patterns on fingers that create fingerprints; unique to each individual.

Luminol

A chemical used in presumptive tests for blood that fluoresces under specific conditions.

Codis

The Combined DNA Index System, used to store and compare DNA profiles.

AFIS

Automated Fingerprint Identification System used for matching fingerprint records.

Junk Science

Unproven or questionable scientific methods presented as scientifically verified.