What are 4 steps to crime scene protocol?

What are the 4 types of crime scene 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 systematic procedures for working at a crime scene *?

Collect, preserve, mark and package the evidence. Seal the evidence. Create the inventory list. Prepare the chain-of-custody documentation.

What are the steps for a crime scene?

Basic Stages in a Search

  1. Approach scene Secure and protect scene.
  2. Initiate preliminary survey/determine scene boundaries.
  3. Evaluate physical evidence possibilities.
  4. Prepare narrative description.
  5. Depict scene photographically.
  6. Prepare diagram/sketch of scene.
  7. Conduct detailed search.
  8. Record and collect physical evidence.

When evaluating the scene what are at least 4 of the steps that should be done?

Terms in this set (12)

First: Check the scene for hazardous conditions. Second: Check the status of the victim(s). Third: Call EMS. Fourth: Administer first aid.

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What are the 4 main types of search patterns?

Types of Crime Scene Searches

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

What are the 4 types of search methods?

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 are the 5 steps in crime scene investigation?

The basic crime scene procedures are physical evidence recognition, documentation, proper collection, packaging, preser- vation, and, finally, scene reconstruction.

What are the protocols in criminal investigation?

The Investigative Protocol I have developed is: Prepare, Inquire, Analyze, Document, and Report. Following this protocol will expose any weaknesses in the opponent’s case and enhance your case. The Prepare stage is the foundation of the investigative process, and applies to every investigation.

What is the first step in processing 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. Basically what allegedly happened, what crime took place, and how was the crime committed.

What 4 steps will an investigator follow to analyze and document a crime scene?

Basic Stages for a Crime Scene Investigation — Possible Homicide

  • 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.
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What are the four basic investigative stages?

The 4 Stages of an Incident Investigation

  • Preserve and Document the Incident Scene. An incident investigator’s first priority should be to ensure that the incident site is safe and secure. …
  • Collecting Information. a Interviewing witnesses. …
  • Determine Root Causes. …
  • Implement Corrective Actions.