A latent print is an impression of the friction skin of the fingers or palms of the hands that has been transferred to another surface. The permanent and unique arrangement of the features of this skin allows for the identification of an individual to a latent print.

6.2 Use oblique, coaxial, and polarized light to detect less visible and latent impressions. 6.3 Use electrostatic lifting device to search for latent dust impressions.

The magnetic brush technique is more useful on some surfaces than conventional powder dusting, mainly because the magnetic want can be used to remove any excess powder from the substratum.

Magna brush is used to lift fingerprints off non-porous surfaces without damaging the surface or the fingerprint. It is a useful tool in crime scene investigations and forensic analysis.