Different types of crime scenes include
outdoors, indoor, and conveyance
. Outdoor crime scenes are the most difficult to investigate. The exposure to elements such as rain, wind, or heat, as well as animal activity, contaminates the crime scene and leads to the destruction of evidence.
What is crime scene and its types?
A crime scene is
any physical scene, anywhere, that may provide potential evidence to an investigator
. It may include a person’s body, any type of building, vehicles, places in the open air or objects found at those locations.
What are the four main types of documentation at a crime scene?
The categories are
summary, scene
(including a detailed body description if in a death investigation), processing, evidence collected, and pending.
What are the four crime scene search methods?
The basic crime scene procedures are
physical evidence recognition, documentation, proper collection, packaging, preser- vation, and, finally, scene reconstruction
.
What is an example of a crime scene?
A primary crime scene is
the scene where the actual criminal activity took place
. For example, in a murder investigation, the primary crime scene would be the scene where the murder occurred and the person’s life was taken. However, there might be additional crime scenes involved as well.
What are the 7 S’s of a crime scene?
- Securing The Scene.
- Securing And Collecting Evidence.
- Separating The Witnesses.
- Sketching The Scene.
- Seeing The Scene.
- Scanning The Scene.
- Searching For Evidence.
What is the golden rule of investigation?
The Golden Rule in Criminal Investigation. “
Do not touch, alter, move, or transfer any object at the crime scene unless it is properly marked, measured, sketched and/or photographed
.”
What are two classifications of crime scenes?
There are three types of crime scenes: Outdoor.
Indoor. Conveyance
.
What are the 5 steps in crime scene investigation?
The basic crime scene procedures are
physical evidence recognition, documentation, proper collection, packaging, preser- vation, and, finally, scene reconstruction
.
What is the first thing to do at a crime scene?
A crime scene investigator’s first step is
to talk to the initial officers on scene
. Their observations can affect how the walk-through of the scene is conducted by CSI, what is included in a search warrant application, and even what equipment (like OSCR360) and/or additional personnel are needed.
What methods are used to document a crime scene?
The three most common methods of recording a crime scene are:
note taking, sketching, and photography
. A detailed record of the crime scene and of the actions taken during the search of it, help the crime scene specialist to accurately recall events and to identify items of evidence later in a court of law.
What are the five components of crime scene documentation?
- Teamwork.
- Documentation.
- Preservation.
- Common Sense.
- Flexibility.
What is the most important evidence found at a crime scene?
Fingerprint Evidence
.
Latent prints are left by the contact of the palmar surfaces of the hands and/or bare feet of a person
are probably the most valuable piece of evidence at any crime scene.
What is the best search method in crime scene?
The grid method
is best used in large crime scenes such as fields or woods. Several searchers, or a line of them, move alongside each other from one end of the area to be searched to the other.
What are the four search methods?
Common search patterns include
the spiral, strip/line, grid, zone/quadrant, and pie/ wheel
. The spiral search is used most often for outdoor crime scenes, is conducted by one person, and is done by walking in a circle from the outermost point of the inner perimeter toward the center of the circle.
What is the best search method for an indoor crime scene?
For interior scenes,
elevation zone searches
are often a good choice, especially when blood spatter is involved. The investigator begins this search pattern from the floor up. When this type of search pattern is used, an investigator is able to comb the area for blood spatter origins and directionality patterns.
