The small particles bind to the fatty/oily components of the fingerprint residues due to addition of a surfactant; This can be only feasible because of the relative security of those factors managed with time. Consequently, aged fingerprints can be made by using the small particle reagent method. On top of https://cesaruhqxe.blogoscience.com/32824426/the-smart-trick-of-ppu-m1-garand-ammo-that-nobody-is-discussing