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.
How do you take notes at a crime scene?
Notes should be in chronological order and taken as events during the investigation occur. Notes should have accurate measurements to specify direction of evidence found (i.e., 7 inches south of east corner of table).
What are 4 methods of documenting 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 are the methods of crime scene?
The basic crime scene procedures are physical evidence recognition, documentation, proper collection, packaging, preser- vation, and, finally, scene reconstruction.
What is note taking in crime scene?
Through note take the investigator will be able to record what they see and hear accurately and be as specific as possible. The notes they take can later be used as reference in court, for testimony of witnesses and suspects, and the notes are usually the first account of the crime scene itself.
What is the golden rule of crime scene 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 should be photographed first?
The object should first be photographed as is, then photographed with the ruler. It is important that when doing one-to-one photography that the ruler is on the same plane as the object being photographed and the film plane is parallel to the ruler. This is why a level and a tripod are necessary.
What are five examples of evidence that can be collected at a crime scene?
Crime scene investigators collect evidence such as fingerprints, footprints, tire tracks, blood and other body fluids, hairs, fibers and fire debris.
What are the four types of crime scene sketches?
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 3 phases of criminal investigation?
Applied to the criminal realm, a criminal investigation refers to the process of collecting information (or evidence) about a crime in order to: (1) determine if a crime has been committed; (2) identify the perpetrator; (3) apprehend the perpetrator; and (4) provide evidence to support a conviction in court.
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 are the 5 methods of searching a crime scene?
Following are the basic search methods, usually commissioned on the crime scene:
- Zonal Method.
- Strip Method.
- Line Search.
- Grid Method.
- Spiral Method (Outward Spiral & Inward Spiral)
- Wheel Search Method.
- Random Search.
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 three types of photographs are taken at crime scenes?
To accomplish this, all crime scene photography consists of three basic types of photographs: overall, mid-range, and close-up.
What are the essential items to be included during note taking?
The Five Rs of Note-Taking
- Record: During the lecture, write all meaningful information legibly.
- Reduce: After the lecture, write a summary of the ideas and facts using key words as cue words. …
- Recite: To study properly, you must recite all the information in your own words without looking at our notes or the text.
What is the most important use of notes?
There are two main reasons why note-taking is important: When you are reading or listening, taking notes helps you concentrate. In order to take notes – to write something sensible – you must understand the text. As listening and reading are interactive tasks, taking notes help you make sense of the text.