Crime Investigation Vs Proactive Investigation Essay

Often two types of investigations have been differentiated. The ‘reactive approach’ to investigation occurs when a police responds to a crime that has already taken place such as murder, or theft. On the other hand, the ‘proactive approach’ to investigation occurs in response to an ongoing criminal activity or even before the crime has been committed. For e.g. the police may get information that a gang is going to commit a crime in a particular area. In other cases, the police may patrol an area which they think is very prone to crimes based on past crime rates. Proactive investigation is more effective because the investigators control the investigation and the suspects do not know how or where they are being investigated.

The crime-scene investigation team
Various academic disciplines contribute to criminal investigation. Law helps investigators in understanding and interpretation of laws. Psychologists improve the understanding of the behaviours of
It is but natural that the team consists of highly skilled professionals belonging to many different fields working together with the goal to solve the crime. Some of these are employed regularly while others will be employed occasionally depending upon the requirements. The first to arrive at the scene are the police officials. However, as stated above they will often have the support of other team members. A district attorney may be present at times to determine the necessity of a search warrant. There may be experts who record the data, artists who make sketches of the scene, photographers who take photos of the scene, medical examiners who determine the probable cause of death, collectors for collecting the data, lab technicians who analyse the biological evidence, forensic psychologists, forensic scientists and many more specialists. It is only team effort that helps solve any