Types of Fingerprints: (impressions)

 Latent Prints:

• Appear when hand touches surface and some moisture is transferred from fingertips to ojbect
• Leaves behind impression of friction ridge detail
• Not readily visible
• Florescent dye stains, powders & super glue fuming to record prints

Patent Prints:

• Appear when substance is coating the skin and transfer to a surface from that substance
• Ex: Blood, grease, ink, ect.
• Typically visible 
• Photograph to record 

Plastic Prints: 

• Appear when hands are pressed into a soft rubbery material that will retain the impression of the ridge detail deposited on the surface 
• Ex: Tar, wet paint, clay, ect.
• Photograph or caste can be made to record