Roles in Investigation

[Name of the institute]Roles in Investigation

Introduction

Behind every crime there is a cause! This notion has been established long ago and is still true in the porch of justice. Whether there is a case of robbery, theft, rape of murder, there is a cause. This cause may be physiological, psychological or emotional. Sometimes the cause of the crime is obvious, open and easy to understand. Some other times through investigation the cause of the crime is revealed. When there is a case of investigating the cause the police department may have to take the help of police psychologists. Police psychologists play an integral part in the law and enforcement agencies. The aim of this paper is to undertake discussion about the role of police psychologist in context of a given scenario.

Case Scenario

It is a case of homicide of a mayor who previously was the chief of a police department. He was shot dead with a bullet on his head. He was last seen with a person near a restaurant who is still unknown.

Roles in this Investigation

In this case of homicide of mayor, a number of roles can be played by police psychologist. These rules are discussed below:

Role of Police Psychologist as a Forensic and Objective Scientist

When the crime investigation is underway and when a case consultation is going on many law and enforcements utilizes the services of police psychologist as forensic and as an objective scientist. Most of the times it happens when the crime is committed by the offender is a stranger to stranger crime or when the crime that is committed by the offender is senseless or when there is a case when the preparatory is unknown or it is difficult to identification of the preparatory is difficult (Davis, 2005).

In this given scenario, the expertise of police psychologist can be used to determine the identity of the person with whom deceased mayor was seen last time. Here, the police psychologist can play the role of forensic. As the mayor was previously at the position of the chief of the department of the police psychology so the hired police psychologist must be aware of the personal traits and habits of the mayor. By taking into consideration various elements such as times, place where he was seen and habits of mayor clues and hints can be gathered to identify that person with whom the victim was seen last time.

Performing the Role of Criminal Psychological Personality Profiling

To get the assistance of police psychologist can be raised by any department or units. For instance this request can be put forwarded by the homicide unit, violent crimes committed against person and from the sex crimes unit. These units can ask for the help of the police psychologist for the purpose of criminal investigative analysis and criminal psychological personality profiling. The task of crime scene analysis or the task of criminal investigative analysis also known as profiling is the task in which the police psychologists use their expertise to provide details ...