process 2 porous and 2 nonporous items for latent prints using supplies you are able to obtain as described below: 1. Black fingerprint powder 2. Crushed Charcoal 3. Unsweetened Cocoa […]
process 2 porous and 2 nonporous items for latent prints using supplies you are able to obtain as described below: 1. Black fingerprint powder 2. Crushed Charcoal 3. Unsweetened Cocoa […]