responsibility of the first-responding police officer (first responder), safety of individuals is first priority . Preservation of evidence is second priority. First responder has to restrict all unauthorized persons from entering. Locard’s exchange principle may occur.
What are the Seven S’s?
A model developed by consultancy firm, the McKinsey Company, used to develop seven aspects of the organisation to base strategic planning around. The full list is: systems, structure, skills, style, staff, strategy, and shared values .
What are the 7 steps of processing a crime scene?
- Identify Scene Dimensions. Locate the focal point of the scene.
- Establish Security. Tape around the perimeter.
- Create a Plan & Communicate. ...
- Conduct Primary Survey. ...
- Document and Process Scene.
- Conduct Secondary Survey.
- Record and Preserve Evidence.
What is the first step at a crime scene?
Interview is the first step in processing a crime scene. The crime scene technician must interview the first officer at the scene or the victim to ascertain the “theory” of the case.
What are the 5 parts to processing a crime scene?
INTERVIEW, EXAMINE, PHOTOGRAPH, SKETCH and PROCESS .
What should you not do at a crime scene?
- 1 – Do NOT touch, or have anyone else touch anything. ...
- 2 – Do NOT clean it yourself, or have a family member or employee clean up.
What are primary and secondary crime scenes?
1. The primary crime scene is where a crime actually occurred . 2. A secondary crime scene is in some way related to the crime but is not where the actual crime took place.
Who secures a crime scene?
Police officers are typically the first to arrive at a crime scene. They arrest the perpetrator if he’s still there and call for an ambulance if necessary. They are responsible for securing the scene so no evidence is destroyed. The CSI unit documents the crime scene in detail and collects any physical evidence.
What must be included on a crime scene sketch?
The following should be recorded on the sketch: • Address or location of scene. Case number. Date sketch was made and by whom. A key to identify the different objects in the sketch.
What are the steps to processing a crime scene in order?
- Approach the Scene. ...
- Secure and Protect the Scene. ...
- Initiate Preliminary Survey. ...
- Evaluate Physical Evidence Possibilities. ...
- Prepare a Narrative of the Scene. ...
- Capture the Scene Photographically. ...
- Prepare the Crime Scene Sketch. ...
- Conduct a Detailed Search.
How do you identify a crime?
Crime detection falls into three distinguishable phases: the discovery that a crime has been committed, the identification of a suspect, and the collection of sufficient evidence to indict the suspect before a court. Many crimes are discovered and reported by persons other than the police (e.g., victims or witnesses).
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 the 4 steps of crime scene processing?
- Approach the Scene.
- Secure and Protect the Scene.
- Initiate Preliminary Survey.
- Evaluate Physical Evidence Possibilities.
- Prepare a Narrative of the Scene.
- Capture the Scene Photographically.
- Prepare the Crime Scene Sketch.
- Conduct a Detailed Search.
What is the golden rule in criminal 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 the four 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 different types of crime scenes?
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.
