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There are many different ways to detect finger prints, some of the more common ways are oblique lighting, alternate light source, and RUVIS(Reflected Ultraviolet Imaging System). Oblique lighting is using a reflective light held at a low oblique angle to help find the prints that may be in a crime scene. Usually, searching a scene with alternate light source would use a wavelength of 450 nm and orange goggles causing the fingerprints to fluoresce. However, RUVIS utilizes a shortwave UV light that pairs with an imaging system that can enhance UV light. It also might be able to visualize underdeveloped prints on surfaces that are nonporous. The prints that are visualized cannot be lifted, they have to be photographed through the imager.

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Before you can collect fingerprints, the scene usually needs to be photographed and sketched. After sketching/photographing the scene you should collect trace and biological evidence. It is also important for the search to be planned or in an organized fashion. You should search the scene thoroughly, do not go from one area to another randomly, and search inside items that could have objects inside objects.

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The print should always be photographed before it is collected. A picture of the area before the print is developed, and after with and without a scale it should also be photographed on the card. Be aware of the possible cross contamination from the brushes and powders. When you go to collect the print, do not over powder. Photograph the print as soon as it becomes visible. Then use lifting tape to carefully lift the print and secure it as evidence.