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Forensic Research Using FLIR Thermal Cameras

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FLIR Thermal Cameras Researchers have been looking for an alternative method of detecting the presence of dilute concentrations of blood on fabric. They have found a solution in thermal imaging with FLIR thermal imaging cameras. Researchers know that blood is not visible on its own in the infrared spectrum. They discovered it was possible to create a thermal signature by introducing water vapor to a bloodstained sample. Chemistry researchers, Drs. Michael Myrick and Stephen Morgan, and their team at the University of South Carolina are investigating the forensic use of infrared cameras as an alternative method for detecting and recording evidence of biological fluids such as blood at crime scenes.

Dr. Myrick and his team were seeking a better way to visualize blood and other biological fluids for forensic investigations. Myrick was especially interested in a detection method that can be observed for longer than a few seconds, and can be repeated without destroying the sample. He and his team began studying the use of infrared reflectance to visualize blood. Based on Myrick’s results, thermal imaging may be a viable alternative to luminol when determining whether fabric has been stained with blood. It may even be preferable – as the water vapor needed to facilitate imaging doesn’t further dilute the stain or have any potential for ruining evidence. Learn how FLIR thermal imaging cameras can help to determine whether fabric has been stained by blood.

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