Chapter 2 Crime Scene Investigation Flashcards
chain of custody
documented and unbroken transfer of evidence
circumstantial evidence
(indirect evidence) evidence used to imply a fact but not support it directly
class evidence
material that connects an individual or thing to a certain group
crime scene investigation
a multidisciplinary 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 commission
datum point
a permanent, fixed point of reference used in mapping a crime scene
direct evidence
evidence that (if authentic) supports an alleged fact of a case
first responder
the first safety official to arrive at a
crime scene
individual evidence
a type of evidence that identifies a particular person or thing
paper bindle
a folded paper used to hold trace evidence
primary crime scene
the location where the crime took place
reliable evidence
evidence that is consistent when
retested
secondary crime scene
a location other than the
primary crime scene, but that is related to the crime;
where evidence is found
subdatum point
is one of several reference points of known coordinates marked from a measurable distance and direction from the datum point
trace evidence
small but measurable amounts of physical or biological material found at a crime scene
triangulation
technique used to record evidence location from two fixed reference points
valid evidence
evidence (testimony, exhibits, demonstrative evidence, and documentary material) that is properly collected and documented and that truthfully supports a claim based on objective, scientific data from reliable sources
