NC BLET Criminal
Investigation Exam
Where can we find victims, witnesses, and/or suspects? - ANSWERSCanvassing
What are the three sources of statements? - ANSWERSWitness, Victims, and Suspects.
What is usually the most important type of evidence? - ANSWERSPhysical
What goes on photographs? - ANSWERSCase #, type of case, date and time.
Put a video camera on what? - ANSWERSMute/silent.
What are some reasons for establishing an M.O. for investigating a crime? - ANSWERSPredict
the next target, establish a pattern, but it will not give a suspect's name.
What's the stiffening of muscles in a dead body? - ANSWERSRigor mortis
What is the pooling of blood to the lower extremities called? - ANSWERSLiver mortis
What is the most important thing when dealing with an unidentified deceased person? -
ANSWERSIdentifying them.
When preparing an investigative report, what should you give the DA? - ANSWERSGive them all
your files/everything. It includes field notes, pictures, etc.
, What are the four search methods? - ANSWERSGrid, Strip, Zone, Spiral.
When you have search warrant/consent to walk through the crime scene, what are you doing? -
ANSWERSYou're creating a path that's safe to walk through, you're recreating the crime in your
head, and searching for evidence
Three types of measurements - ANSWERSRectangular, Triangular, Base-line
Why is the crime scene protected? - ANSWERSTo prevent destruction/removal of physical
evidence, and to allow for an accurate reconstruction of events occurring at the scene
What is a proper response if someone claims lost property that is in your possession as a LEO? -
ANSWERSDo not give it back to the individual. Inventory it immediately
Grid (double strip) method - ANSWERSA search method employed by two or more people
overlapping separate line searches forming a grid. It is the same method as the strip method,
but modified to cover the entire area twice
Strip method - ANSWERSA search method used by one or two investigators by walking in
straight lines across the crime scene. It can be used indoors or outdoors, and for looking for
small/large items. The distance between officers should be governed by the evidence sought.
Zone method - ANSWERSA search method in which the crime scene is divided into smaller
sections (zones or quadrants) and team members are assigned to search each section. It is
excellent for individual rooms and vehicles. It is particularly good when looking for small items
of evidence. Officers participating should check areas already searched by others.
Spiral Method - ANSWERSA search method in which the investigator move in an inward spiral
from the boundary to the center of the scene or in an outward spiral from the center to the
boundary of a scene. It is best used for large areas. Officers can start inside working out or the
reverse
Investigation Exam
Where can we find victims, witnesses, and/or suspects? - ANSWERSCanvassing
What are the three sources of statements? - ANSWERSWitness, Victims, and Suspects.
What is usually the most important type of evidence? - ANSWERSPhysical
What goes on photographs? - ANSWERSCase #, type of case, date and time.
Put a video camera on what? - ANSWERSMute/silent.
What are some reasons for establishing an M.O. for investigating a crime? - ANSWERSPredict
the next target, establish a pattern, but it will not give a suspect's name.
What's the stiffening of muscles in a dead body? - ANSWERSRigor mortis
What is the pooling of blood to the lower extremities called? - ANSWERSLiver mortis
What is the most important thing when dealing with an unidentified deceased person? -
ANSWERSIdentifying them.
When preparing an investigative report, what should you give the DA? - ANSWERSGive them all
your files/everything. It includes field notes, pictures, etc.
, What are the four search methods? - ANSWERSGrid, Strip, Zone, Spiral.
When you have search warrant/consent to walk through the crime scene, what are you doing? -
ANSWERSYou're creating a path that's safe to walk through, you're recreating the crime in your
head, and searching for evidence
Three types of measurements - ANSWERSRectangular, Triangular, Base-line
Why is the crime scene protected? - ANSWERSTo prevent destruction/removal of physical
evidence, and to allow for an accurate reconstruction of events occurring at the scene
What is a proper response if someone claims lost property that is in your possession as a LEO? -
ANSWERSDo not give it back to the individual. Inventory it immediately
Grid (double strip) method - ANSWERSA search method employed by two or more people
overlapping separate line searches forming a grid. It is the same method as the strip method,
but modified to cover the entire area twice
Strip method - ANSWERSA search method used by one or two investigators by walking in
straight lines across the crime scene. It can be used indoors or outdoors, and for looking for
small/large items. The distance between officers should be governed by the evidence sought.
Zone method - ANSWERSA search method in which the crime scene is divided into smaller
sections (zones or quadrants) and team members are assigned to search each section. It is
excellent for individual rooms and vehicles. It is particularly good when looking for small items
of evidence. Officers participating should check areas already searched by others.
Spiral Method - ANSWERSA search method in which the investigator move in an inward spiral
from the boundary to the center of the scene or in an outward spiral from the center to the
boundary of a scene. It is best used for large areas. Officers can start inside working out or the
reverse
