SCENE OF THE CRIME

 PINTEREST

A crime scene is a place where a crime has occurred, or another place where they can be found evidence of the crime

 General descriptionIt comprises the area in which they are retrieved most of the elements rinveniti evidence police (generally the forensic) or by forensic scientists. The scene of the crime but also can not be the place where the crime was committed. There are different types of crime scene.
The area is generally bounded by a ribbon signaling place along the borders of the perimeter to limit access to only employees at the scene. It is done to preserve evidence of the crime.


Places
The crime scene can be any place, both indoors and outdoors, such as outdoor, indoor, and transportation. Each type of crime scene, along with the nature of the crime (robbery, murder, rape, etc.) Require different procedures of investigation.
The crime scene just outside the most difficult on which to investigate. Exposure to natural agents such as rain, wind or heat, as well as the activity of the animals, contaminating the crime scene and leads to the destruction of evidence. Crime scenes inside are much less likely to be contaminated due to the lack of exposure to the elements. Here usually contamination takes place due to the people. The scene of the crime on public transport is generally in situations of robbery or carjacking.

 The activities of the investigatorsThe preparation
Pictures will be taken of all the evidence before anything is touched, moved or analyzed. Generally the numbered markers are placed next to each test to allow the organization of the clues.
Make a sketch of the crime scene is also a form of documentation. This allows you to take notes as well as measure distances and other information that may not be easily deduced from a photograph. Investigators will ensure the position of the evidence and of all other objects in the room. The sketch is usually drawn looking down from above, which may also be useful as all other activities to obtain evidence.Evidence Collection
The evidence is collected in two ways: with an analysis of the elements found on the spot and with the interrogation of others on the premises or that may still provide useful information to the investigation. The tests can be objects and traces left by the offender. All forensic evidence are bagged separately to avoid contamination.
The forensic use different tools and techniques. The collection of fingerprints by means of magnetic powder. They are collected DNA, other body fluids and hair to analyze them in the laboratory. Shoe prints and tire may be collected with dental cement. Electronic devices are confiscated to be reviewed by a technical expert to seek further evidence. Although the documents are collected for examination. Ammunition and weapons are collected to make comparisons with the wounds and ballistics. Pictures will be taken of the wounds from blunt force to make comparisons with any weapons used. Any other proof is still collecting.
Generally they are then carried out interrogations of both witnesses and victims to learn more about the facts and give a chronological order the events.The reconstruction of the facts
The reconstruction of the crime scene is the use of scientific methods, physical evidence, deductive reasoning, and their mutual relationship in order to obtain a certain knowledge of the series of events leading to the consummation of the crime.