What is the golden rule of the crime scene?

GOLDEN RULE OF CRIME SCENE INVESTIGATION: Do not touch, change or alter anything until it has been identified, measured and photographed. The law of mutual exchange. It is not possible to come in contact with an environment without changing it.

What is the golden rule in the 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 is the most important rule for a crime scene photographer?

Photographing the evidence: Photographs should be taken directly at right angles, eliminating probable distance distortions for clear visualization and each part of evidence should be photographed with scale to signify size and without scale to show relationship with overall scene.

What are the seven steps of a 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.
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What are the 3 phases of special crime 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 3 tools of investigation?

Tools ​To establish facts and develop evidence, a criminal investigator must use these tools-information, interview, interrogation, and instrumentation. 3.

What are the qualities of a good investigator?

Here is a list of qualities found in a successful professional investigator:

  • Professionalism. This is a quality required for any career stream. …
  • Integrity. One of the most important virtues of a professional investigator is integrity. …
  • Persistence. …
  • Self-driven. …
  • Problem Solver. …
  • Reliable. …
  • Courage.

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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).

How many years does it take to become a forensic photographer?

The International Association for Identification (IAI) offers a certification for forensic photographers that have: At least three years of photography experience. 40 hours of classroom photography courses from a college, police academy, FBI academy, IAI training course, or related institutions.

What are the four parts of a crime scene sketch?

What are the 4 parts to a crime scene sketch?

  • Identify a problem.
  • Predict a solution to the problem or an answer to the question.
  • Design the experiment to be used to test your hypothesis.
  • Carry out the experiment.
  • Analyze the data and observations.
  • State the conclusion.
  • Summary paragraph.
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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 5 steps of crime scene investigation?

INTERVIEW, EXAMINE, PHOTOGRAPH, SKETCH and PROCESS.

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 six methods of investigation?

A six-step, structured approach to incident investigation (Fig 1) helps to ensure that all the causes are uncovered and addressed by appropriate actions.

  • Step 1 – Immediate action. …
  • Step 2 – Plan the investigation. …
  • Step 3 – Data collection. …
  • Step 4 – Data analysis. …
  • Step 5 – Corrective actions. …
  • Step 6 – Reporting.

What are the four phases of investigation?

The four phases

  • Investigation and indictment. The Office of the Prosecutor conducts confidential investigations of suspects. …
  • Pre-Trial. After the confirmation of an indictment the Pre-Trial Judge is responsible for preparing the case for Trial. …
  • Trial. …
  • Appeal.
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