Identification of biological evidences such as blood semen saliva and urine are important for crime scene investigation.
Forensic light sources for detection of biological evidences.
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.
Evidence examination using an alternate light source forensic serology exercise 2.
In crime scene investigation fast and accurate detection of possible forensic traces is of vital important.
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.
Detection on black material presents a special problem.
This may cause stains to appear weaker or be overlooked completely.
Detection of saliva exercise 3.
Forensic alternate light sources als have been used for detection of biological evidences which can be detected due to their nature characteristic such as light asorption blood or flurescence effect semen saliva urine.
The black material absorbs all wavelengths of light including the excitation light from the light source and the emission fluorescence.
Forensic alternate light sources als have been used for detection of biological evidences which can be detected due to their nature characteristic such as light asorption blood or flurescence effect semen saliva urine vaginal fluids sweat etc.
Detection of blood exercise 4.
Different wavelengths are required for processing different types of surfaces making a forensic light source with tunable.
Forensic light source techniques have been successfully utilized for revealing latent prints on these and many other types of textured surfaces backgrounds which mask ridge detail fragile surfaces and contaminated surfaces.
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.
Over many decades visible light sources were used during most searches of crime scenes.
An overview of forensic dna analysis types of biological specimens exercise 1.
In crime scene investigation fast and accurate detection of possible forensic traces is of vital important.
Challenges of using a forensic light source on black material.
Detection and identification of semen exercise 5.
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.
