Forensic Light Sources For Detection Of Biological Evidences In Crime Scene Investigation A Review

Biological evidences can be detected by forensic light source due to their natural characteristic such as light.

Forensic light sources for detection of biological evidences in crime scene investigation a review.

Malaysian journal of forensic sciences 2010 vol 1 17 forensic light sources for detection of biological evidences in crime scene investigation. Over many decades visible light sources were used during most searches of crime scenes. Alternate light sources are typically used in crime scene investigation to identify many forms of evidence. Identification of biological evidences such as blood semen saliva and urine are important for crime scene investigation.

In these cases it is necessary to tune to a wavelength of light that causes the print to glow and not the background. Forensic light sources have been used for detection of biological evidences where this method is a simple presumptive non destructive test and applicable for detecting most types of biological evidences. A review journal of forensic sciences 1 2010 pp. Crime scenes and alternate light sources don penven alternate light sources a much needed tool for csis.

Physiological fluids semen urine and saliva can be identified through their natural fluorescent properties utilizing uv light. The collection of biological fluids on the crime scene on which to conduct dna profiling often represents the most important evidence for forensic investigators on the crime scene a wide variety of biological fluids can be present on an even wider assortment of substrates differing in terms of material and or color. Forensic light sources have been used for detection of biological. In many cases the background surface will also glow under light source illumination.

Forensic light sources have been used for detection of biological evidences where this method is a simple presumptive non destructive test and applicable for detecting most types of biological evidences. Although some forensic investigators would occasionally use ultraviolet uv black light to examine for crime scene evidence white light was the mainstay. 2020 forensics source catalog. Making a forensic light source with tunable or multiple wavelengths a coveted tool for any crime scene investigator.

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