Standard operating procedure for crime scene investigation

Methodical approach to investigating a crime scene

It is through such circumstances therefore that that the creation of the standard operating procedure is indeed important to be successfully carried-out before, during and after the forensic investigation. Take photographs of the vehicle from a distance, if necessary, in order to include the landmark. The Standard Operation Procedure of Forensic Investigation The process of forensic investigation, as a branch of the criminal justice system, is a modern and challenging field nowadays. The alternate light sources are primarily used in the following manner: Searching for biological fluids, such as saliva stains and semen stains. The light source can operate on AC current electricity or with the rechargeable battery pack. As such, the principles and practices of forensic investigation similarly require for an effective and most importantly, legally-defensible process. Additionally, Crime Scene Forensics specified that the process entail the collection, study and documentation of fingerprints, blood stains and accident restorations as well as the use of advance technology and digital imaging.

Vehicles Vehicles recovered at a crime scene or other location should be photographed along with an associated landmark.

Crime scene investigators will discuss with the detective, or officer in charge of the crime scene, information regarding the type of investigation that is under way. A portable, lightweight and compact light source that may be transported to a crime scene.

During this walk-through the crime scene investigator will do the following: Evaluate the crime scene to help in formulating a plan for processing the scene and the collection and preservation of evidence.

techniques of crime scene investigation pdf

The light bulb is a tungsten halogen projector lamp type of bulb with a watt light output having a hour rating. Searching for other evidence items with dyes, inks, powders, substances or other fluids that may react when examined using an alternate light source.

a simplified guide to crime scene investigation

Both units are transportable and may be taken to crime scenes to search for evidence. In particular, the standard operating procedures of forensic investigation need to be justifiable and solid in order for cases to stand in court.

Search The Standard Operation Procedure of Forensic Investigation The legal justification of a case in court is attributed to a clear and effective method of police investigation.

Purpose of crime scene investigation

In particular, the nature and discipline of forensics refer or relate to different undertakings. Requests for services requiring photographs only. Take the photographs so that the area and items of evidence will be identified and oriented with other areas in the overall scene. Biological Evidence Some biological evidence which is not easily identified with the naked eye may be visualized with chemical enhancement or observed with an alternate light source. When suspected biological evidence is identified, collect a sample for biological analysis or collect the entire item. By doing such, the forensic investigator aims to come up and eventually work out vital information and circumstances relating to the crime such as the manner how the crime was performed and ultimately the motive of the suspect. Video assignments of crime scenes. The standard operating procedure is established at the onset, all through and following the forensic crime investigation. This is based from the underlying principle that such process will enable the case to be legally-reasonable and defensible in court. Citing further the site, the establishment of the standard operating procedure will be carried out accordingly. Case files may contain the following: All crime scene notes.

It is in this aspect that the opinions and advices or experts are taken into consideration.

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Crime Scene Procedures