NC BLET CRIMINAL INVESTIGATION
EXAM QUESTIONS AND ANSWERS
Where can we find victims, witnesses, and/or suspects? - Answer-Canvassing
What are the three sources of statements? - Answer-Witness, Victims, and Suspects.
What is usually the most important type of evidence? - Answer-Physical
What goes on photographs? - Answer-Case #, type of case, date and time.
Put a video camera on what? - Answer-Mute/silent.
What are some reasons for establishing an M.O. for investigating a crime? - Answer-
Predict 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? - Answer-Rigor mortis
What is the pooling of blood to the lower extremities called? - Answer-Liver mortis
What is the most important thing when dealing with an unidentified deceased person? -
Answer-Identifying them.
When preparing an investigative report, what should you give the DA? - Answer-Give
them all your files/everything. It includes field notes, pictures, etc.
What are the four search methods? - Answer-Grid, Strip, Zone, Spiral.
When you have search warrant/consent to walk through the crime scene, what are you
doing? - Answer-You'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 - Answer-Rectangular, Triangular, Base-line
Why is the crime scene protected? - Answer-To 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? - Answer-Do not give it back to the individual. Inventory it immediately
Grid (double strip) method - Answer-A 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 - Answer-A 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 - Answer-A 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 - Answer-A 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
When conducting a search of a crime scene, it is best to start the scene how? - Answer-
Start the scene large and then reduce it
A rough sketch should include - Answer-all items necessary to reconstruct the scene
all items of evidence
accurate measurements
relative proportions
an indicator showing north
All items collected at a crime scene must include information on the container, including
- Answer-case number, date/time of collection, item number, and collector's
name/initials
How do you identify possible suspects? - Answer-Through eyewitnesses, circumstantial
evidence, establishing a method of operation, and physical evidence
M.O. - Answer-method of operation
Not disclosing discovery in superior court is - Answer-a felony
What are the reasons for establishing an M.O.? - Answer-show a pattern of criminal
behavior
associate numerous crimes with a single suspect
possibly predict the perpetrator's next target
assist investigators in recognizing the characteristics of criminal activity
If you see the same person showing up at numerous fires - Answer-it is suspicious, and
could establish a suspect for arson
EXAM QUESTIONS AND ANSWERS
Where can we find victims, witnesses, and/or suspects? - Answer-Canvassing
What are the three sources of statements? - Answer-Witness, Victims, and Suspects.
What is usually the most important type of evidence? - Answer-Physical
What goes on photographs? - Answer-Case #, type of case, date and time.
Put a video camera on what? - Answer-Mute/silent.
What are some reasons for establishing an M.O. for investigating a crime? - Answer-
Predict 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? - Answer-Rigor mortis
What is the pooling of blood to the lower extremities called? - Answer-Liver mortis
What is the most important thing when dealing with an unidentified deceased person? -
Answer-Identifying them.
When preparing an investigative report, what should you give the DA? - Answer-Give
them all your files/everything. It includes field notes, pictures, etc.
What are the four search methods? - Answer-Grid, Strip, Zone, Spiral.
When you have search warrant/consent to walk through the crime scene, what are you
doing? - Answer-You'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 - Answer-Rectangular, Triangular, Base-line
Why is the crime scene protected? - Answer-To 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? - Answer-Do not give it back to the individual. Inventory it immediately
Grid (double strip) method - Answer-A 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 - Answer-A 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 - Answer-A 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 - Answer-A 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
When conducting a search of a crime scene, it is best to start the scene how? - Answer-
Start the scene large and then reduce it
A rough sketch should include - Answer-all items necessary to reconstruct the scene
all items of evidence
accurate measurements
relative proportions
an indicator showing north
All items collected at a crime scene must include information on the container, including
- Answer-case number, date/time of collection, item number, and collector's
name/initials
How do you identify possible suspects? - Answer-Through eyewitnesses, circumstantial
evidence, establishing a method of operation, and physical evidence
M.O. - Answer-method of operation
Not disclosing discovery in superior court is - Answer-a felony
What are the reasons for establishing an M.O.? - Answer-show a pattern of criminal
behavior
associate numerous crimes with a single suspect
possibly predict the perpetrator's next target
assist investigators in recognizing the characteristics of criminal activity
If you see the same person showing up at numerous fires - Answer-it is suspicious, and
could establish a suspect for arson
