What are crime scene search methods?
Most commonly employed search methods are geometric patterns. The six patterns are link, line or strip, grid, zone, wheel or ray, and spiral. Each has advantages and disadvantages and some are better suited for outside or indoor crime scenes.
What are the 4 types of crime scene searches?
Terms in this set (10)
- Crime Scene Search Patterns? A systematic search of the crime scene is important. …
- What are the different types of search patterns? Lane or Line. …
- Lane or Line (strip) search. …
- Spiral or Circle search. …
- Pie/Wheel or Radial/Rose Azimuth search. …
- Grid search. …
- Zone or Quadrant search. …
- Crime Scene Search.
What is the best method for crime scene search?
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 stages and methods of crime scene search?
Basic Stages in a Search
- Approach scene Secure and protect scene.
- Initiate preliminary survey/determine scene boundaries.
- Evaluate physical evidence possibilities.
- Prepare narrative description.
- Depict scene photographically.
- Prepare diagram/sketch of scene.
- Conduct detailed search.
- Record and collect physical evidence.
What are the types of search methods?
Search techniques – phrasing, wildcards & boolean operators
To use databases efficiently there are several search techniques you can use to improve the precision of your search results. These include: phrase search, wildcards, and Boolean logic.
What are the 5 steps of crime scene investigation?
INTERVIEW, EXAMINE, PHOTOGRAPH, SKETCH and PROCESS.
What are four ways to document a crime scene?
There are several methods of documentation: Notes, photography, sketches, and video are all important. Note taking is one of the most important parts of processing the crime scene.
What is the most important part of the crime scene?
The Body. The body is the most important piece of evidence of any death scene. Without a body, you have do not a death scene, (even if the body is presumed dead and ordered so by the courts) .
What are the two basic types of crime scene sketches?
They refer to a handmade pictorial representation of conditions at a crime scene. There are 4 main types of sketches: floor plan, elevation drawing, exploded view, and perspective drawings. Each type has its own limitations and are used when called upon (because of the scene).
What are the four different 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 corpus delicti?
Corpus delicti literally means “body of the crime” in Latin.
What are the three broad categories of evidence?
What are three broad categories of evidence? There are three broad categories of evidence in which investigators have a particular interest: 1) corpus delicti, 2) associative, and 3) tracing (Charles R. Sanson, 2012).
What are the 7 basic steps in crime scene investigation?
7 Steps of a Crime Scene Investigation
- Identify Scene Dimensions. Locate the focal point of the scene. …
- Establish Security. Tape around the perimeter. …
- Create a Plan & Communicate. Determine the type of crime that occurred. …
- Conduct Primary Survey. …
- Document and Process Scene. …
- Conduct Secondary Survey. …
- Record and Preserve Evidence.
What is the first thing you do at a crime scene?
“The initial responding officer (s), upon arrival, shall assess the scene and treat the incident as a crime scene. They shall promptly, yet cautiously, approach and enter the crime scene, remaining observant of any persons, vehicles, events, potential evidence, and environmental conditions.”
What are the 3 stages of search method?
Information search process
- 1.1 Stage 1: Initiation.
- 1.2 Stage 2: Selection.
- 1.3 Stage 3: Exploration.
- 1.4 Stage 4: Formulation.
- 1.5 Stage 5: Collection.
- 1.6 Stage 6: Search closure.