Articles Related to Latent fingerprint
Criminals have an aim, to not leave any evidence behind at the scene of crime. Some offenders assume that objects recovered from aquatic environment have no forensic value therefore; they attempt to wipe out the evidences by throwing them (traces like murder weapon) in water.
Fingerprints are one of the most valuable evidence due to their uniqueness.
The evidential and investigative value of a latent fingerprint with insufficient characteristics to identify can sometimes be an issue of debate. In this report the authors present the case of a latent fingerprint bearing details in agreement with no visible discrepancies, but with insufficient information to identify.
An examination experiment has been carried out to investigate whether fingerprint powder and lifting technique can recover and transfer latent fingerprints from human skin surfaces of dead bodies. For recovery Swedish Black powder and for transfer White Fingerprint Gelatine were used.
A new method for improvement of 1,2-indandione-treated latent fingermarks on thermal paper will be described in this paper. Treatment with conventional techniques like ninhydrin in petroleum ether or DFO solution produces a black color on the thermosensitive side of thermal paper.