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Most of the prints left on the crime scene are latent prints. And, even after the latent prints have been developed, additional enhancement is required and forensic light sources are mainly used. Depending on the applied technique and the light source used, it is difficult to obtain the ideal enhancement effect when the reflected light cannot be cut off well. In this study, we improved the wavelength of the forensic light source by attaching a low-pass filter, resulting in better quality fingerprint images. ■ keyword :∣Forensic Science∣Forensic Light Source∣Fluorescent∣Fingerprint∣ *(PA-B1).  : 2019 09 25  : 2019 10 28  : 2019 10 29  : , e-mail : haplf@naver.com  '19 Vol. 19 No. 12 528

Discussion on the Effect of Improving the Image of a Fingerprint Shape Using a Forensic Light Source with Low-pass Filter