Physical Evidence



Physical Evidence

Introduction

Forensic teams are useful in collecting evidence that will help the police and crime investigation agencies to arrest the criminal. Forensic team is responsible to insure the custody of chain and properly identify all evidences. They are also responsible to secure the confidentiality of the evidences and to document all the technical and non technical actions taken to collect the evidence on a particular scene.

Discussion

There are various physical evidences that are found on crime scene and they play a significant role in solving a criminal activity. The Forensic team treats every physical evidence vital and important. The forensic not only identify the physical evidences but also document them and identify the procedures to collect physical evidence.

Identifying physical evidence

The procedure of analyzing a substance physical or chemical identity is identification of the physical evidence. Some examples of this undertaking in forensic are drug analysis, determination of various species and analysis of various chemical explosions. The process of identification of physical evidence is very important and it should be handled critically, because these evidences will help in solving criminal activities.

There are many analyses that can be done to identify physical evidences. These are described below (Elizabeth, 2009).

Comparison

In this type of analysis, physical evidence is identifies through comparison with already obtained data. This type of analysis is used to match footprints, finger marks and hairs. Many other instruments are used such as blood or hair so that DNA test can be taken to identify criminals.

Visual

In this analysis evidence is analyzed and examined through unaided observation. This analysis is called visual because visual evidence is collected.

Microscopic

In this type of analysis physical evidence is identifies with the help of a microscope. There are situations where minute evidence also plays a significant role. The forensic team thinks that, every single evidence, whether it is ...