Vocab unit 2 forensics

crime scene

the place where the investigation of criminal activity takes place. CSI document and gather evidence.

primary crime scene

the specific location where a criminal act of the main part of a crime actually took place

secondary crime scene

any location subsequent or related to a crime where physical evidence is found, but the core illegal act did not actually take place there

rough sketch

a hand-drawn, unscaled, preliminary diagram created at a crime scenes to record the layout, dimensions, and spatial relationship of physical evidence

finished/final sketch

a precise, scale- drawn diagram of a crime scenes created from rough field notes and measurements for courtroom presentation

physical evidence

any tangible object, material, or substance found at a crime scene that helps establish the facts of a case, reconstruct events, or link a suspect to a crime

bindle

a clean sheet of paper folded into a secure packet to collect, store, and transport tiny trance evidence without loss or contamination

chain of custody

the chronological documentation and tracking of physical or digital evidence from the moment it is collected at a crime scene until it is present in court

circumstantial evidence

indirect physical proof that needs a logical inference to connect a scientific finding to a fact of a crime

direct evidence

proof that establishes a fact immediately without needing any logical guesswork

class evidence

material of physical proof that connects an item of person to a border group or category, rather than a single specific source

individual evidence

any material or trait that can be linked to a single, specific source or person with a high degree of certainty

standard/reference sample

physical evidence with a known origin that is collected for comparison against unknown or questioned crime scene evidence

forensic comparison

an analytical process where an examiner compares an unknown crime scene sample with a known standard to see if they share a common orgin

forensic identification

the application of scientific methods and technology to identify specific objects, materials, or individuals from physical evidence left at a crime scene or accident.