NC BLET- Criminal Investigations
Preliminary Step 1 -answer Record the time you received the call, time you arrived,
and weather conditions
Preliminary Step 2 -answer Initial questioning of witnesses-
anyone injured?
what happened?
is suspect gone?
who is involved?
etc
Preliminary Step 3 -answer Give aid to injured
Preliminary Step 4 -answer Protective sweep
Preliminary Step 5 -answer Protect scene + call for necessary assistance
Preliminary Step 6 -answer Locate + identify witnesses
Preliminary Step 7 -answer BOLOs
Preliminary Step 8 -answer Secure the scene more adequetely
Preliminary Step 9 -answer Carefully walk through
,-establish potential evidence
-establish path safe to walk through
-mentally trace events of the crime
Preliminary Step 10 -answer Photograph, measure, sketch scene
Preliminary Step 11 -answer Collect, label, package evidence
Preliminary Step 12 -answer Secure scene if necessary until some follow-up
investigation is done
Mincy v. Arizona -answer allows immediate seizure of evidence if officer has reason to
believe the evidence would be immediately lost, destroyed, or removed during time need to
procure search warrant
7 areas common to crime scenes that should be identified immediately -answer place
of arrival
point of entry
path through the scene
contact with the scene
contact with the victim
place of exit
place of arrest
Perimeters of scene -answer should be generous, as it is easier to make it smaller
than to expand it; can always reduce boundaries later
,Until photographed/sketched, evidence should remain... -answer unmoved; may be
necessary to cover or move evidence that may be altered or destroyed due to conditions
If anything is touched or moved before documented -answer officer must document
that in their report and obtain elimination fingerprints/DNA from the party that moved/touched
item
Safest approach to search a cell phone -answer Search Warrant
Statement -answer first-hand account of a crime as given to an investigating law
enforcement officer
3 basic sources of statement -answer Witness
Victim
Suspect
Proper reconstruction of crime scene includes -answer field notes
photographs
crime scene sketch
evidence custody documents
Photographs -answer Should be taken before scene is altered
Label includes:
photographer's name
case number
type of case
date of photograph
, Videotaping a crime scene -answer have camera on mute
depicts unaltered scene
must be maintained in original condition w/out edits
Rough Sketch includes -answer all items necessary to reconstruct scene
all items of evidence
accurate measurements
relative proportions
an indicator showing north
Completed Sketch -answer Made from rough sketch
neater drawing may be used in court
Letters denote critical items
Numbers indicate items of physical evidence
Measurements must be made from -answer fixed/immovable points
verified by witness before recording them
Triangulation -answer Good for outdoors settings
Rectangular Coordinate Method -answer Using right angles
Mostly indoors settings, walls or curbs used
Base Line Method -answer variation of rectangular coordinate method
Preliminary Step 1 -answer Record the time you received the call, time you arrived,
and weather conditions
Preliminary Step 2 -answer Initial questioning of witnesses-
anyone injured?
what happened?
is suspect gone?
who is involved?
etc
Preliminary Step 3 -answer Give aid to injured
Preliminary Step 4 -answer Protective sweep
Preliminary Step 5 -answer Protect scene + call for necessary assistance
Preliminary Step 6 -answer Locate + identify witnesses
Preliminary Step 7 -answer BOLOs
Preliminary Step 8 -answer Secure the scene more adequetely
Preliminary Step 9 -answer Carefully walk through
,-establish potential evidence
-establish path safe to walk through
-mentally trace events of the crime
Preliminary Step 10 -answer Photograph, measure, sketch scene
Preliminary Step 11 -answer Collect, label, package evidence
Preliminary Step 12 -answer Secure scene if necessary until some follow-up
investigation is done
Mincy v. Arizona -answer allows immediate seizure of evidence if officer has reason to
believe the evidence would be immediately lost, destroyed, or removed during time need to
procure search warrant
7 areas common to crime scenes that should be identified immediately -answer place
of arrival
point of entry
path through the scene
contact with the scene
contact with the victim
place of exit
place of arrest
Perimeters of scene -answer should be generous, as it is easier to make it smaller
than to expand it; can always reduce boundaries later
,Until photographed/sketched, evidence should remain... -answer unmoved; may be
necessary to cover or move evidence that may be altered or destroyed due to conditions
If anything is touched or moved before documented -answer officer must document
that in their report and obtain elimination fingerprints/DNA from the party that moved/touched
item
Safest approach to search a cell phone -answer Search Warrant
Statement -answer first-hand account of a crime as given to an investigating law
enforcement officer
3 basic sources of statement -answer Witness
Victim
Suspect
Proper reconstruction of crime scene includes -answer field notes
photographs
crime scene sketch
evidence custody documents
Photographs -answer Should be taken before scene is altered
Label includes:
photographer's name
case number
type of case
date of photograph
, Videotaping a crime scene -answer have camera on mute
depicts unaltered scene
must be maintained in original condition w/out edits
Rough Sketch includes -answer all items necessary to reconstruct scene
all items of evidence
accurate measurements
relative proportions
an indicator showing north
Completed Sketch -answer Made from rough sketch
neater drawing may be used in court
Letters denote critical items
Numbers indicate items of physical evidence
Measurements must be made from -answer fixed/immovable points
verified by witness before recording them
Triangulation -answer Good for outdoors settings
Rectangular Coordinate Method -answer Using right angles
Mostly indoors settings, walls or curbs used
Base Line Method -answer variation of rectangular coordinate method
