Your question: What are the methods of processing the crime scene?

How do you process a crime scene?

Basic Stages for a Crime Scene Investigation — Possible Homicide

  1. Approach the Scene. …
  2. Secure and Protect the Scene. …
  3. Initiate Preliminary Survey. …
  4. Evaluate Physical Evidence Possibilities. …
  5. Prepare a Narrative of the Scene. …
  6. Capture the Scene Photographically. …
  7. Prepare the Crime Scene Sketch. …
  8. Conduct a Detailed Search.

What are the 5 steps of crime scene processing?

INTERVIEW, EXAMINE, PHOTOGRAPH, SKETCH and PROCESS.

What are the 3 basic steps in crime scene processing?

In the investigative process, there are three possible stages of time where evidence can originate. These are the pre-crime stage, the criminal event stage, and the post-crime stage.

What are the different methods of crime scene searches?

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.
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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 7 S’s in crime scene?

The Seven S’s of Crime-Scene Investigation

  • 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 first thing you do at a crime scene?

Conduct a primary survey/walkthrough – An initial survey of the scene is then conducted to prioritize evidence collection. During this walkthrough, the lead investigator will identify potentially valuable evidence, take notes and capture initial photographs of the scene and the evidence.

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 4 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.

What are the steps in collecting evidence?

Trace Evidence

  1. Document and photograph the evidence.
  2. Properly secure the evidence by placing it in a paper bag or envelope.
  3. Close, seal, or tape the paper bag or envelope. …
  4. Label the bag or envelope with the patient’s identifying information.
  5. Examiner must place signature, date, and time on the envelope[3]
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What should be photographed first at a crime scene?

At major crime scenes impressions should be photographed before they are casted. Photography is done first because casting the impression will destroy the original impression and eliminate the ability to photograph the impression afterward.

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 is the most important part of a crime scene?

Note taking is one of the most important parts of processing the crime scene. It forces investigators to be more observant; when writing things down, people frequently remember details that may otherwise be overlooked. Notes should be complete and thorough, written clearly and legibly.

What are the types of search methods?

Common search patterns include the spiral, strip/line, grid, zone/quadrant, and pie/ wheel.

Terms in this set (26)

  • point to point. …
  • spiral search.
  • zone method.
  • strip method.
  • grid searching.
  • searching indoors.
  • searching outdoors.
  • retrieving evidence.
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