Types of Fingerprints: Patent, Plastic, & Latent.

Pantent Prints- are visable prints that occur when a foreign substance on the skin of the finger comes in contact with the smooth surface of another object. These prints leave a distinct ridge impression that is visable with the naked eye without any technology enhancement.



Plastic Prints- are visble, impressed prints that occur when a finger touches a soft, malleable surface concluding in an identation. Some surfaces that may contain this type of fingerprint are those that are freshly painted or coated, or those that contain wax, gum, blood, or any other substance that will soften when held and then retain the finger ridge impressions.

Latent Prints- are fingerprint impressions secreted in a surface or an object and are usually invisible to the naked eye. These prints are the result of presperation which is deprived from sweat pores found in the ridges of fingers. when fingers touch other body parts, moisture, oil and grease adhere to the ridges so that when the fingers touch an object, such as a lamp, a flim of these substances my be transferred to that obect. The impression left on the object leaves a distinct outline of the ridges of that finger.


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