What are the three parts of a crime scene?

What are the 3 basic steps in crime scene processing?

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.

What are 3 things crime scene sketch must include?

What are the 3 parts of a crime scene sketch?

  • Heading: notation that indicates why the sketch was created.
  • Diagram area: the drawing itself.
  • Legend: tells the viewer what the various labels used in the diagram depict.

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 makes a crime scene?

A crime scene is any physical scene, anywhere, that may provide potential evidence to an investigator. It may include a person’s body, any type of building, vehicles, places in the open air or objects found at those locations.

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What are the steps in 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.

What is staging in criminal cases?

Staging a scene. occurs when the perpetrator purposely alters the crime scene to mislead the authorities and/or redirect the investigation. Staging is a conscious criminal action on the part of an offender to thwart an investigation.

What are 3 examples of questions that detectives may ask crime scene witnesses?

What are three examples of questions that detectives may ask crime scene witnesses? What was the time of the crime scene? Did you hear anything? What was the victim wearing?

What are the 4 search patterns for crime scenes?

Types of Crime Scene Searches

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