History of forensic photography essay
Film Medium speed ISO or color print film is most often used for crime scene photography.
While many people argue that these images are too graphic for their kids, or even themselves to see on T. With the many features on modern cameras and electronic flash units, it may be necessary to refer to the manuals for specialized photographic techniques.
Types of crime scene photography
In an image of a footwear impression several things should be included in the image for it to be helpful to an investigation and to provide as much information as possible. All photographs or video taken at a crime scene are indelibly time and date stamped. Internal crime scenes are photographed, blood spatter patterns are measured and documented, and bloodstains on carpets and floors are measured for radius. Personally, the evolution of photography has always been intriguing process - difficult and fascinating at the same time for me to understand. To obtain this a light source has to be placed at a low angle of incidence relative to the surface the footwear impression is in. Photographs allow investigators to look at exactly where each object was found and what was around it. Other Equipment to Consider Telephoto lenses— While telephoto lenses are seldom used in crime scene photography, they are necessary for most types of surveillance photography. Much of the work is routine, but photographing crime scenes and road traffic accidents, or visiting patients in the hospital, can be emotionally distressing. No matter how well an investigator can verbally describe a crime scene; photographs can tell the same story better and more easily as it freezes time and records the evidences. It is sometimes necessary for dogs to be used at a crime scene; this is done so that evidence that may not be visible to the naked eye can be detected. Following these simple steps may ensure the authenticity and genuineness of the digital photographs and may prove productive and useful evidence to back witness testimony in the court of laws. It is also used as a means of displaying the nature of a crime scene to officers of an investigative team who were not able to attend. These guidelines will offer the correct method leading to a high quality image that can be relied upon in a criminal investigation.
Crime scene photography became cutting edge in the s and new technologies have expanded its use ever since. Photography is also used to catalogue the series of events, which occur from the time a corpse is found - and removed from a crime scene - and taken for autopsy.
Again while the pathologist is performing the autopsy photographs of the internal organs are taken so that internal injuries can be noted; these photographs are often used in court proceedings as a means of providing the jury with relevant information without presenting them with too much gore.
Currently, research suggests that the photographs were taken between the yearspossibly as early aswhen Hugh Boscawen was Chief Clerk at the Auckland Lands and Survey Department office. Introduction Photography of everything from landscapes to historical events has preserved and illustrated history for the past years.
This is important because at a crime scene there may be several footwear impressions maybe at different locations throughout the crime scene, having the identification label in each image enables each image to be linked to other details such as scene sketches, notes, logs as well as lifts and casts.
Forensic photography facts
While many people argue that these images are too graphic for their kids, or even themselves to see on T. Some marks and impressions can be taken using natural light, or sometimes natural light has to be restricted; however more often than not artificial lighting will have to be used. Select appropriate lighting or shading. I may not have been the best at taking pictures but I enjoyed what I did. Also, latent fingerprints can also be photographed in UV and IR lights. This image shows the footwear impression in the soil, however there is no lighting sources to provide contrast and detail within the footwear impression. Methods of Preserving and Recording Evidence that is loose and perhaps lying on the ground should be bagged up and catalogued; each piece of evidence is given an individual identification number so that it can be cross-matched against corresponding investigative reports.
When photographing a crime scene a digital camera would be good when recording the evidence. Using the recommended procedure, delivered in Week 3, give technical descriptions of, for example, Depth of Field, Perspective error, Resolution etc.
As well as witness statements, the reports made by officers and other physical evidence provided by the crime scene itself, photography is used to provide an accurate account that cannot be altered.
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