Tuesday, July 29, 2014

Sketches Used in Crime Investigations

Crimes happen almost everyday at every corner of the world.

To sort out the situation, cops, investigators, and lawyers are usually called to take part in solving the horrid problem. But in initial and ongoing procedures, the service of a sketch artist is often needed to draw out the crime scene location. This helps the investigation visualize and analyze the details with their job in solving the crime case.

Sketches - Crime Scene
Photo credits: Smartdraw.com

What Is a Crime Scene Sketch?

This necessary file serves as one of the essentials in depicting the scene of the crime that cannot be easily accomplished with video footages, photos and notes. Crime scene sketches are needed badly for accuracy and rapid investigation of the case. It role of bringing out accuracy correlates the testimonies of suspect and witnesses and serves as a valid reference if one is question with his involvement with the crime. 

Before the artist starts up with his crime scene sketch, there are things which he needs to include and exclude which may be necessary or not necessary. The only time that he is required to extend his sketches is when the case or scene happens to be complicated.

Why Are They Important?

For accuracy and rapid flow of investigations, crime scene sketches are required to be made by a specialized artist in service of several police outlets. It serves as a proof or a relying visual to interrogate and question people involved with the crime. Crime scene sketches are also important with investigations because it preserves relationship of discovered evidence as well as the condition of the crime scene by the time the documenter was observing it. 

There are several types of crime sketches that may be applicable or not applicable to the investigation.

1.Overview Sketch

The most common type of sketch in most crime investigations.With its name itself, the overview sketch depicts a bird's view scene or a floor plan view for the one looking at the sketch. It is drawn in horizontal plane form and shows the different areas covered and involved in the crime. Laying out these details in the sketch comes in handy when the crime is involved in outdoor location or areas.

2. Elevation Sketch

Drawn in vertical plane form. This sketch usually applies when the investigation requires the actual appearance of things and sections stained and smeared with blood. An elevation sketch is also applied if there are certain bullet holes that needs to be specified with its location.

3. Cross-projection Sketch

This is quite similar to the overview sketch but it varies with the depth applied on the objects on crime scene sketches. Also in horizontal form, cross-projection sketches is depicted as an exploded and open view of sections necessary for the investigation. The details are drawn in simplified matter. It is laid out flat and objects are also sketched in their relative positions.

4. Perspective Sketch

Labeled to be the most complex crime scene sketch among other types. It requires detailed and vivid objects to visualize the actual scene that happened in the crime. Artist needs to extend his creative skill to depict the crime situation in three dimensions.

Creating the Sketch

When starting up the sketch, the artist needs consider several calculations and measurements that are necessary when depicting the scene. These measurements would come from the police and investigators who had inspected the area. After the actual sketch, the artist must label out the distance, equations, sections which are stained with blood and areas which were holed with gun bullets. The labeling should be emphasized with a pen. The red color would be most applicable.