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forensics ch. two
Forensics ch. two
Term | Definition |
---|---|
Chain of custody | documented and unbroken transfer of evidence |
circumstantial evidence | indirect evidence- evidence used to imply a fact but not prove it directly |
class evidence | material that connects an individual or thing to a certain group |
classification of types of evidence | evidence can be both direct and circumstantial circumstantial can be both physical or biological |
crime scene investigation | a multi-disciplinary approach in which scientific and legal professionals work together to solve a crime |
crime scene reconstruction | a hypothesis of the sequence of events from before the crime was committed through its commision |
direct evidence | evidence that (if true) proves an alleged fact, such as an eyewitness account of a crime |
first responder | the first police officer to arrive at a crime scene |
4 crime scene search patterns | grid, linear, quadrant (zone) and spiral |
individual evidence | kind of evidence that identifies a particular person or thing |
Locard's exchange principal | when a person comes into contact with an object or another person a cross transfer of physical evidence can occur |
paper bindle | a folded paper used to hold trace evidence |
primary crime scene | location where crime took place |
secondary crime scene | location other than the primary crime scene but that is in some way related to the crime where evidence is found |
trace evidence | small but measurable amounts of physical or biological material fond at a crime scene |