What type of prints are NOT visible without processing?

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Multiple Choice

What type of prints are NOT visible without processing?

Explanation:
Latent prints are not visible without processing. They’re formed from trace amounts of sweat and skin oils left on a surface, which don’t create a noticeable mark to the naked eye. Visualization requires techniques such as powder dusting, chemical reagents, or cyanoacrylate fuming to reveal the imprint for photography or lifting. In contrast, patent prints and visible prints are already visible without any treatment, and footprints, as physical impressions, are typically observable on scene surfaces without processing. So the best answer is latent prints.

Latent prints are not visible without processing. They’re formed from trace amounts of sweat and skin oils left on a surface, which don’t create a noticeable mark to the naked eye. Visualization requires techniques such as powder dusting, chemical reagents, or cyanoacrylate fuming to reveal the imprint for photography or lifting. In contrast, patent prints and visible prints are already visible without any treatment, and footprints, as physical impressions, are typically observable on scene surfaces without processing. So the best answer is latent prints.

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