crime scene investigation is a gathering point of logic, law and science. Processing the scene of the crime is a tiring and long process involving data intentionally conditions in the scene and collect physical evidence that will likely shed light on what took place and will indicate who did the crime.
on the scene of a crime, a crime investigator can collect pieces of dried blood in the windowpane, by allowing his arm touch the glass if ever there are some unseen fingerprints there, pick up hair from the jacket of the victim using tweezers and not interfere with clothes enough to shake off some white powder (which could be cocaine or not) in crumple sleeves and take sledge hammers to break through the wall that looks as if it is the source of an awful smell.
physical evidence itself is just part of the study. The final objective is a strong belief of the person responsible for the crime committed. Therefore, while the crime investigation body moves outside the dried pieces of blood without staining some prints, picks up many high by interfering with some residual evidence and super through partition in the room, he thinks of everything necessary method to preserve all evidence in this their forms. The crime laboratory to do something about the evidence to reorganize the crime or recognize the perpetrator or criminal and legitimate issues involved in ensuring that evidence is allowed in court.
crime scene investigation begins when the crime investigation unit takes the call comes from the police or the police at the crime scene. On reaching the crime scene, investigator makes sure the place is safe. Then make him / her main walk through to get all the feel of the crime scene, see for himself / herself if someone has moved or touched anything / her arrival and then he / she makes the original theory of the visual assessment. Then he / she notes down some potential evidence. In this instance, he / she did not touch anything.
crime investigator documents carefully the crime scene by taking photos and making sketches on the second or subsequent walk through. Sometimes, the data period composes film going through also. Searching documents the crime scene completely and records everything he / she is determined that evidence. Up to this moment, the investigator did not touch anything.
After the data, the investigator goes systematically and very carefully through the crime scene and gathering all important evidence, label them, logging and packaging so that they remain intact in going to the crime lab. The crime laboratory work them all the evidence collected from the crime scene investigator. After research results are ready, ahead of the head detective of the case.
Each crime scene investigation unit, but section including working in the field and laboratory work in different ways. Crime Scene analysis or crime scene investigations at the crime scene and what goes on in the part of the laboratory is known as forensic science. Since not all crime investigators are forensic scientists, they have a great understanding of forensic science to be aware of the special value of many types of evidence while working in the field. Crime scene investigation is a very large company, so it is necessary to crime investigator will be eligible to play.