INVESTIGATION OF THE CRIME SCENE

Sources:A Closer Look On Forensic Science written by Archana Singh

How is it possible to identify the person who committed a crime??

A little amount of blood or a hair or a fiber or a part of skin or any number of different type of materials can help a crime to be reconstructed and lead investigators to the responsible person.

The goal of a crime-scene investigation is to recognize, document and collect evidence at the scene of a crime.

Solving the crime will then depend on putting together the evidence to form a picture of what happened at the crime-scene.

INTRODUCTION :
Investigative Process are to:
👉 Establish that a crime was actually committed,
👉 Identify and apprehend the suspect,
👉 Recover stolen property,
👉 Assist in the prosecution of the person,
Charged with the crime.

WHO IS AN INVESTIGATOR? :
An investigator is one who collects, documents and evaluates evidence and information. The whole process complete through the investigation.

PURPOSE OF INVESTIGATION :
The purpose of criminal investigation and forensic science is to discover the truth behind the scene.

IDENTIFYING, ESTABLISHING, PROTECTING, AND SECURING THE BOUNDARIES :
🔗 The initial Boundary established around the crime scene should be larger than the scene.
🔗 This boundary can easily be shifted inward later but is not as easily enlarged because the surroundings areas may have been contaminated during ensuring interval.
🔗 The Responding officers must document all actions and observations at the scene as soon as possible.

HOW TO SECURE CRIME SCENE? :
🧤 Naturally, a general rule of protecting the crime scene cannot be applied in every case.
🧤 Who arrive first at crime scene referred as first officer or first responder. The first officer’s top priority to offer assistance for any injured person.
🧤To safeguards evidence and minimize contamination , access to scene must be limited and any persons found at the scene must be identified , documented and then removed from the scene.
🧤 As additional officers arrive, they will begin procedures to isolate the area, using barricades and police tape unauthorized persons from the scene.

DOCUMENTING THE SCENE AND THE EVIDENCE :
Documenting of the crime scene and the evidence involve four major task:
1. Note-taking
2. Photography
3. Sketching
4. Videography

RESPONSIBILITIES OF LEAD INVESTIGATOR :
The lead investigators first task is to evaluate the scene should be processed for physical evidence.
 The collection and analysis be processed for physical evidence.
 The lead investigator will direct and control the processing. Starting with the recognition of physical evidence.

SYSTEMATICALLY SEARCH FOR EVIDENCE :

Pattern of search at crime – scene.
For the search of crime scene following search patterns are use.

COLLECTION AND PRESERVATION OF CRIME SCENE :
Once the discoverer, time of discovery location and appearance of evidence have been thoroughly documented, the evidence must be collected, preserved, inventoried, and packaged in preparation for submission to the forensic lab.

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INVESTIGATION OF CRIME SCENE

Know More About Crime Scene Investigation in Detail; Read

“A Closer Look On Forensic Science”

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