The Ultraviolet Forensic Imaging is the use of ultraviolet lights to enhance details in photographs.
Ultraviolet Forensic Imaging (UVFI) is a technique used in forensic psychology to visualize and enhance forensic evidence using ultraviolet light. This technique is particularly useful for detecting and enhancing latent fingerprints, biological fluids, and other trace evidence that may not be visible to the naked eye under normal lighting conditions.
UVFI works by illuminating the evidence with ultraviolet light, which causes certain materials to fluoresce or emit light at different wavelengths. This fluorescence can then be captured using specialized cameras and filters, and processed to enhance the contrast and visibility of the evidence.
Some examples of how UVFI is used in forensic psychology include:
- Detecting and enhancing latent fingerprints on various surfaces, including skin, paper, and fabrics. The natural oils and sweat from the skin can leave behind invisible fingerprints that can be visualized using UVFI.
- Identifying and visualizing biological fluids, such as blood, semen, and saliva, which may be present at a crime scene. These fluids can fluoresce under UV light, making them more visible and easier to collect for further analysis.
- Examining and identifying trace evidence, such as fibers, hair, and gunshot residue, that may be present on a suspect's clothing or at a crime scene. UVFI can help detect and enhance this evidence, even if it is present in small amounts or has been washed or otherwise cleaned.
Overall, UVFI is a valuable tool for forensic psychologists and investigators to help identify and collect important evidence in criminal investigations.