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There are many factors that determine how long a fingerprint lasts on any surface or object, with environmental conditions being the primary influence on the longevity of the prints. As long as the identification is valid and the individual has no legitimate reason to have been at the scene, the evidence is irrefutable. On non-porous surfaces, they can also last a very long time. As with fingerprints, the footprint's pattern is a unique characteristic that can pinpoint any one particular person. Footprints - Crime Museum How Long Does It Take To Get Fingerprints Back From A Crime Scene? However, due to so many factors and circumstances that can impact the integrity of a latent print, predicting its viability cannot be accurately done. Prints can help you compile a list of potential suspects for a crime. How Crime Scene Analysts Collect and Preserve Fingerprints Answer (1 of 29): It depends. Under ideal conditions, latent fingerprints have the potential to remain on a surface for an incredibly long time. Individuals' prints are unique. Gathering latent fingerprints is a difficult, yet necessary, part of crime scene investigation. Fingerprints can put a person behind the steering wheel of a vehicle, put a knife in someone's hand, prove that they were on the floor at some point, suggest that they opened a drawer, and on and on. How do Police Gather Latent Fingerprints? (with pictures) CSIs have a number of different specialist powders and brushes available to give us the best chance of finding fingerprints in a crime scene. If in a protected environment (no rain, not near harsh cleaning chemicals, cool to moderate temps etc…) fingerprints can last a very long time…. What Are 3 Types Of Fingerprints Left At A Crime Scene? How Long Do Fingerprints Last? lipstick or some other substance transferred via the suspect's fingers), and thousands of other surfaces .