Scene of Crime and its Importance

This article overall talks about the Scene of Crime and its Importance. The article starts with what is a crime scene- which means a place or places where the crime scene has been committed or any evidence related to such crime is found. There are three types of Crime Scenes such as- Outdoor Crime Scene, Indoor Crime Scene, and Conveyance. Towards the end of the article, it talks about what is the process of the Crime Scene and how it works. And the reasons why Crime Scene is important.


A Crime Scene is any location associated with a crime committed. Crime scenes include physical evidence that is pertinent to a criminal investigation. This evidence is collected by Crime Scene Investigation (CSI) and law enforcement. The location of a crime scene can often place where the crime happened or it can be an area that contains evidence from the crime itself. Scenes aren’t only limited to a location, often a person, place, or object related to the criminal behaviors that occurred.

After a crime scene has been discovered, measures must be taken to secure and protect the scene from contamination. To maintain the integrity of the scene, law enforcement must take action to block off the surrounding area as well as keep track of who comes in and goes out. By taking these precautions, officers can ensure that evidence that is collected is often utilized in court. Evidence that has become contaminated, tampered with, or mistreated can pollute the scene and cause a case to be thrown out of court.

What is a Crime Scene?[1]

“Crime Scene or scene or a crime is referring to a place or places where the crime scene has been committed or any evidence related to such crime is found.”

“Scene of Crime (occurrence) is the place where the crime has been committed or the sites which are connected with the crime or where evidence is found. Crime Scene is a place where individuals are involved in the crime meet. Traces are exchanged with the individuals present there on the site, leave odds and ends and marks of tools, wearing apparels, tires, hand, feet, and other body parts.”

A crime scene can be categorized into the following segments-

  • Line of Approach
  • Entry Point
  • Exit Point
  • Actual Scene
  • Line or Retreat

What are the types of Crime Scenes?[2]

Three types of Crime Scenes are there-

1. Outdoor

2. Indoor

3. Conveyance

Outdoor Crime Scene-

An outdoor Crime Scene is the most susceptible to lose, contamination, and damaging effects on biological evidence during a short period. Individuals with access to the scene can potentially alter, destroy, or contaminate evidence. The probability of risk is greatest when the crime scene isn’t secured properly.

Destruction or deterioration of the evidence due to the environmental conditions, like- heat, cold, rain, snow, and wind involve rapid and effective protection of biological evidence. Evidence like these cannot be protected under this condition it should be quickly collected without compromising its integrity. When encountering a merger of an indoor and outdoor scene, process the outdoor components first.

Nighttime Outdoor Crime Scene is especially problematic. Regardless of the standard of the quality of the light source used to illuminate the scene, the lack of sunlight can increase the likelihood of missing or destroying evidence. Whenever possible, hold and secure an outdoor crime scene for processing until daylight. Whenever, feasible hold and secure outdoor crime scenes for processing until daylight.

Indoor Crime Scene-

Compared to an outdoor scene, evidence at an indoor scene is generally less vulnerable to environmental loss and deleterious change.

The possibility of loss and contamination from multiple people accessing the scene is greatly increased. Limiting access to the scene and collecting known reference samples from individuals with access to the scene are priorities.


Conveyance is a means of Transportation.

Types of crimes committed are conveyances include the following-

  • Vehicle Burglary
  • Grand Theft
  • Car Theft

Physical Evidence recovered from these scenes may be extended well beyond the conveyance.

Suspects leaving during a hurry may carelessly leave additional evidence. A conveyance, like a vehicle, could also be transported to the laboratory after proper documentation has been completed.

What is Primary and Secondary Crime Scene?[3]

There may be more to a crime scene than first meets the attention. In fact, over more scenes may exist, depending upon how the crime was committed. Crimes scenes are, therefore, considered either Primary or Secondary.

  • A Primary crime scene is where a criminal offense occurred.
  • A Secondary crime scene is in a way associated with the crime but isn’t where the particular crime takes place.

Primary scenes typically yield more usable evidence than do secondary scenes, but not always. Sometimes, the sole crime scene investigators must work with could be a secondary scene, like the place where a murderer dumps a victim’s body, for instance. Under these circumstances, investigators might not know where the particular murder happened and thus the use of evidence they find at the second place to assist them identify the killer or locate the first scene.

For Instance- In a bank robbery, the bank is the primary scene, but the get-away car and the thief’s hideout are secondary scenes.

 In the case of a killer who commits a murder in someone’s home but transports the victim’s body to a river for disposal, the victim’s home is the primary scene, and the killer’s vehicle and the point along the river where the body was dumped are secondary scenes.

What happened at the crime scene?[4]

Crime Scene Investigators document the crime scene. Photographs and physical measurements of the scene, to identify and collect forensic evidence, and to maintain the proper chain of custody of that evidence is recorded by them.

Evidence that is collected by Crime Scene Investigators is- Fingerprints, Footprints, Tire tracks, Blood and Other Body fluids, Hairs, Fibers, and Fire debris.

NIJ (National Institute of Justice) funds projects to improve:

  • Identification of blood and other body fluids at the scene.
  • Field detection of drugs and explosives.
  • Preservation of evidence.

What is Crime Scene Investigation?[5]

Crime Scene Investigation the procedure of protecting, processing, and reconstruction of a crime against the law. It doesn’t matter where the crime happened or if there is more than one crime scene involved. A crime scene can envelop more than one location, within the case where a victim has been killed in one location and found in another. A crime scene can be done onshore or in water, in a tree or buried six feet under.

Crime Scenes are a source of physical and material evidence. However, the interpretation or reconstruction of a criminal offense doesn’t stop with obvious objects or clues. When investigating any crime scene, the investigator, whether a policeman, detective, or technician, must also take into consideration a philosophical approach to the scene.

What is the method of Crime Scene Investigation (CSI)?[6]

The investigation of a criminal offense begins when the Crime Scene Investigation (CSI) unit receives a call from the cops or detectives on the scene. The system works something like this-

The Crime Scene Investigation (CSI) arrives on the scene and makes sure it’s secure. Crime Scene Investigation (CSI) does an initial walk-through to urge an overall perceive for the crime scene, they investigate if anyone moved anything before Crime Scene Investigation (CSI) arrived, and generates initial theories supported on visual examination. Crime Scene Investigation (CSI) makes note of potential evidence. At this point, Crime Scene Investigation (CSI) touches nothing.

  • The Crime Scene Investigation (CSI) thoroughly documents the scene by taking photographs and drawing sketches during a second walk-through. Sometimes, the documentation stage includes a video walk-through, as well. Crime Scene Investigation (CSI) documents the scene as an entire and documents anything that has been identified as evidence. Crime Scene Investigation (CSI) still touches nothing.
  • Now it’s time to touch stuff very carefully. The Crime Scene Investigation (CSI) systematically makes way through the scene collecting all potential evidence, tagging it, logging it, and packaging it so it remains intact on its way to the lab. Depending on the task breakdown of the Crime Scene Investigation (CSI) unit it works for the areas of experience, and may or might not analyze the evidence within the lab.
  • The crime lab processes all of the evidence the Crime Scene Investigation (CSI) collected at the crime scene. When the lab results are in, they are going to the lead detective on the case.

Every Crime Scene Investigation (CSI) unit handles the division between fieldwork and lab work differently.

What all goes at the crime scene is called Crime Scene Investigation (or crime scene analysis), and what all goes into the laboratory is called forensic science. Not all CSIs are forensic scientists. Some CSIs only work in the field- they collect the evidence and then pass it to the forensics lab.

In a matter of, the Crime Scene Investigation (CSI) should possess a better understanding of forensic science to acknowledge the specific value of different types of evidence in the field.

Importance of Crime Scene[7]

The importance of Crime Scene Investigation is to help establish whatever happened and to identify the accountable person. This is done carefully by documenting the conditions at a Crime Scene. And by recognizing all the pertinent physical evidence. The potential to acknowledge and properly collect physical evidence is sometimes critical to both solving and prosecuting violent crimes. The law enforcement officer who saves and searches a crime scene plays a very critical role in determining whether physical evidence will be used in solving or prosecuting violent crimes.

Documentation of crime scene circumstances can include immediate recording transient details like lighting whether on or off, drapes whether open or closed, weather, or furniture moved by medical teams. Few Evidence such as shoeprints or gunshot residue is fragile and if not collected immediately can easily be demolished or lost. The scope of the investigation also extends to considerations of arguments that could be generated in this case like suicide or self-defense and documenting conditions that might support or refute these arguments.

It is also important to be able to recognize what should be present at a scene but is not (victim’s vehicle/wallet) and objects which appear to be out of place (ski mask) and might have been left by the assailant. It is important to determine the full extent of a crime scene. A crime scene isn’t merely the immediate area where a body is located or where an assailant concentrates his activities but can also encompass a vehicle and access/escape routes.


Processing a Crime Scene is a very lengthy process. Police Officers play a very important role, they have a major responsibility when being the first person at the crime scene. Investigators spend on hours, days on documenting a Crime Scene, and collects by taking down notes, clicking photographs all the possible evidence, physical evidence that is present in an attempt to discover what the crime was and by whom it was committed.


Frequently Asked Questions (FAQs)

Ques 1- What is Scene of Crime?

Ans 1- “Crime Scene or scene or a crime is referring to a place or places where the crime scene has been committed or any evidence related to such crime is found.”

Ques 2- How many types of Crime Scene are there?

And 2- There are three types of Crime Scenes-

            1. Outdoor Crime Scene

            2. Indoor Crime Scene

            3. Conveyance

Ques 3- What is Crime Scene Investigation (CSI)?

Ans 3- Crime Scene Investigation the method of protecting, processing, and reconstruction of a crime. It doesn’t matter where the crime happened or if there is more than one crime scene involved. A crime scene can envelop more than one location, within the case where a victim has been killed in one location and found in another. A crime scene can be on land or in water, in a tree or buried six feet under.

Ques 4- What kind of results can be expected from the Crime Scene Investigation (CSI) process?

Ans 4- A Crime Scene Investigation (CSI) should provide detailed documentation of the condition of the scene and a collection of evidentiary items that can be analyzed to assist the investigation.

Ques 5- What are the terms for serving on the committee?

Ans 5- There are no term limits. Each person on the committee is appointed by the incoming IAI president and can be removed by the incoming IAI president as well.

One Reply to “Scene of Crime and its Importance”

Leave a Reply

Your email address will not be published. Required fields are marked *