Criminal Investigation (NC BLET 2023) 99% Correct
Answers.
Responsibility of law enforcement agencies after the crime after it has occurred -
Correct Answer investigate, recover property, arrest the perpetrator, and to assist in the
successful prosecution of the perpetrator.
Primary responsibility of every law enforcement agency (Large and Small) - Correct
Answer the competent investigation of a major crime
During the preliminary procedure document initial observations: - Correct Answer
lighting, traffic & pedestrian flow, weather, temperature, time call was dispatched & time
of arrival
Consent can be given by who? - Correct Answer Any person who is authorized to give
or withhold consent to a search of the premises. However, they can revoke consent at
any time
In virtually every instance you should use a? - Correct Answer search warrant, even
where a person is willing to give consent
Officers may enter the premises to secure the scene without a search warrant when? -
Correct Answer if exigent circumstances exist such as persons on the premises need
immediate aid, contraband is about to be removed or destroyed, once secured a search
warrant should be obtained
Once a person is arrested the officer may search - Correct Answer that person, their
immediate lunge-able area, and their motor vehicle if the individual was a recent
occupant of that vehicle
It is important to get the specific biographical information from persons being
interviewed: - Correct Answer full name, address, telephone #, DOB, race, and sex
There are 7 areas common to most crime scenes that should be identified immediately,
those are - Correct 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
Thorough searches - Correct Answer ensures that all relevant evidence will be
recognized, documented, and collected
, Four searches mentioned in lesson plan: - Correct Answer straight line or strip search,
grid method, zone method, and spiral method
Whenever possible, all evidence should be unmoved until - Correct Answer
photographed and measured for a minimum of a rough scene sketch. It may be
necessary to cover or move evidence that would be altered or destroyed without taking
some precaution
DO NOT alter the scene unless - Correct Answer absolutely necessary and only after its
original condition has been documented
Officers should change gloves after - Correct Answer every sample collection to prevent
cross-contamination
Officers should avoid doing what over the areas to be swabbed to avoid contamination -
Correct Answer talking, sneezing, coughing, or breathing
Biological fluids should be packaged in - Correct Answer paper bags ONLY
Projectiles found embedded in materials should not be dug out. Instead - Correct
Answer the surrounding material should be removed with the projectile intact
When transporting evidence, place in a - Correct Answer climate controlled portion of
the vehicle (do not transport in the trunk)
If anything is touched or moved, the officer must - Correct Answer document that in their
report and obtain elimination fingerprints and DNA from the party that moved or touched
the item
One of the objectives of a criminal investigation is to properly document a crime scene
through? - Correct Answer reports, sketches, photographs, video, and other department
forms
Field notes - Correct Answer a log of an officer's actions at the scene and make up the
backbone of the preliminary report
Photographs - Correct Answer Are admissible evidence if they are a fair and accurate
representation of what they depict. The photographs should portray an unaltered scene,
fellow officers should not be included in the photographs
The photo ID card which should be the first photo taken should include the
photographer's - Correct Answer name, case #, type of case, and date of photographs
Photographs are taken in a three-step approach: - Correct Answer over-all, mid-range,
and close-up
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