How are crime scene photographs classified? Give an example of each.

Crime scene photographers must be methodical in their work.­ They can't afford to leave out an important piece of evidence or produce photographs that could be considered misleading in court. But they also have the press­ure of the entire operation behind them. Before other CSIs can touch or move any of the evidence and even before the medical examiner can remove the body, the forensic photographer must document the scene.
There are three classifications of forensic photos -- overviews, mid-range and close-ups.

If the crime took place inside, overviews include photos of the outside of the building, its entrances and exits as well as images that place the building in relation to its surroundings. Photos of spectators at the scene can later help locate witnesses or suspects. Overviews also include images of all rooms, taken from overhead and from each corner.

The forensic photographer then hones in on key pieces of evidence and captures images of them in the context. These mid-range photos might picture a piece of evidence, like a knife, but at enough of a distance to show its relation to furniture, a blood stain or the rest of the room. Mid-range images establish the distance of object from surrounding objects.

Finally, the photographer thoroughly documents evidence with close-up images. Close-ups include identifying marks like scars on a corpse or serial numbers on a bloodied piece of electronic equipment. A photographer will often include a ruler in the shot to establish scale but always takes a duplicate image without the measuring device. In court, the defense could claim the device covered something important

And of course, pictures are of no value unless they're in context. A forensic photographer keeps a photo log that includes every relevant detail, the photo number, any filters applied, the time and date and the location and a description of the object. The advent of digital photography has helped to make some aspects of recording the time and date simpler and more verifiable.



Midrange Photographs

Midrange photographs transition the viewer from an “outsider looking in” perspective to a more involved perspective. Items of evidence and their spatial relationships are shown, typically by depicting a single item in relation to a fixed object in the scene. Done correctly, this technique will show proper context, perspective, and scale. It will also show the precise position of each item of evidence. These photographs can later be added to the OSCR360 software as “points of interest” depicting exactly where in the overall scene items were found.


Close-up Photographs and Evidence Photography

Close-up photographs are deliberate depictions of individual items of evidence. They must show all sides of the item and clearly show any markings, defects, or other identifying features. Each photograph is usually taken twice: once with a scale, and once without a scale. The image sensor of the camera must be oriented parallel to the surface being photographed (Read: you must use a tripod). The item must fill the frame of the camera. Shadows must be eliminated unless they are intentional (e.g., present from oblique lighting to show texture). Because of these requirements, close-up photography may be deferred until it can be accomplished under controlled conditions.

Overall Photographs

Overall photographs, as the name implies, capture the global aspects of the crime scene. Their purpose is to show exactly where the scene was, to the exclusion of any other location, and to show all boundaries of the scene. These photographs are typically taken in an overlapping fashion from the outside of the perimeter looking in, and from the center of the scene looking out, covering all areas of the scene. Items of evidence and their spatial relationships may be visible, but they are not the main subject of the photograph. Aerial and spherical photographs are valuable for capturing a complete set of overall images. Tools like the L-Tron’s OSCR360 solution assist investigators in capturing overall photographs, and presenting a virtual walk through of the scene.

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Learning Task 2: In your answer sheet, identify and write the Chinese
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Influences
축
Influences
摘
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b)
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SAKURA
ARIRANG
MO LI HUA​

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a)
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b)
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What has caused Hermia to consider Athens to be hell?
Her father
Demetrius' persistence
O Lysander's beauty
Helena's jealousy