Fingerprints in Kiev.
Traces of papillary patterns in their forensic value ranks first in the group of trace-maps, as they are more likely to occur in the investigative practice and allow you to effectively organize search and expose perpetrators. Traces of hands are in almost all subjects, which touches people. On plastic materials (clay, wax, hot wax, clay) and bulk volume traces formed, and on hard surfaces – surface traces, which may face identification. This possibility is due to the structure of the skin and the palmar surface of the hands of the special properties of papillary patterns.
So, in order to be real evidence in the case of steel fingerprints found at the crime scene examination, they must withdraw and lock in accordance with the criminal procedure legislation.
In the application of the photographic method of fixing traces of hands, should be reflected in the picture as much as possible signs of traces of hands, of great importance in this case is correctly chosen lighting.
With the right tools specific lighting manages to emphasize highlight the brightness, color contrast, clarity, especially in the micro-relief projects.
With the change in the lighting conditions, the luminous flux changes direction and location of the ratio of light and shadow places the object changes the direction of drop shadows, appearance of the object.
Different types of lighting gives a different distribution of light and shadow on the surface of the object. Depending on the properties of the object and objectives of the study, they can be used both independently and in conjunction with each other. For example, a uniform shadow-free illumination weakens the intensity of the glare of metal objects, but gives a flat “non-positive” image. Increasing the number of semitones by directional light can send the picture size and topography. Fingerprints in Kiev.