Recovery of latent fingerprints on different substrates submerged under fresh water: A review

Abstract

Fingerprint proof is the maximum dependable and popular evidence inside the legal court in the judicial system. Though fingerprints are identical to all kind of conditions of atmosphere like rain, fire etc., and a huge range with different types of physical and chemical methodologies are needed for the fingerprints development. Criminal offenders always have an essential intention is they plan not to leave any traces at the crime scene. Criminals may have thought that evidences which are recovered under water will have not a single value in the field of forensics, so they consequently try to spoil the strains by throwing items in water sources like ponds or lakes. These constitute a task for the forensic experts to investigate the fingerprints. Under water evidences which are recovered from the scenes where crime occurred, have usually been a venture for the forensic scientists, as water puts different environmental effect at the prints. There are various technical processes which available for the purpose of fingerprint development from various types of substrates like glass, metal, aluminum, plastic, wood etc. on different time intervals like two days, ten days etc. There are strategies for improvement of fingerprints discovered under fresh water. The present examine offers different techniques like SPR, PTC, Black Powder, Cyanoacrylate, zinc carbonate etc. for the development of fingerprints determined under fresh water.