CH 2 Flashcards
an investigators most personal and readily available record of the crime scene search
field notes
a method for documenting information on the street through the use of cards
field interview cards
documentation of all who handle evidence in a criminal case
chain of custody
second party statements offered to the court by a person who did not originate the statement
hearsay evidence
a principal requirement to admit a photograph into evidence.
authentication
items placed in crime scene photos that call attention to specific objects or enable the viewer of the photo to get a sense of the size of the object or the distance between objects.
markers
surreptitious observation
surveillance
the initial crime scene sketch drawn by officers on the crime scene
rough sketch
a completed crime scene sketch drawn to scale
finished sketches
measuring an object from two fixed points of reference
coordinate method
crime scene measuring technique in which a line is drawn between two know points
baseline techique
triangulation method
a birds eye view of the crime scene using fixed objects from which to measure
used in indoor crime scenes, it is basically a top down view of the crime scene where the walls of the room have been folded down to reveal locations of bullet holes, blood spatter evidence, and so on
cross projection method
___ may be the most important step in the initial documentation of a crime scene
notes
______ is the backbone of the criminal prosecution process
the official police report
An important three pronged rule to remember is that official reports should be:
factual, thorough, and to the point
The most important requirement in photographs as evidence is:
authentication
Photographs of crime scene are usually taken in three stages:
general view, to the medium view, to the close up view
In the event that an item to be photographed is smaller than 6 inches:
2 photos should be taken from at least 6 feet away
____ is the best way to organize photos of the scene and evidence associated with the scene.
photographic log
_____ is considered the most effective method of measuring the scene.
use of a tape measure