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Webservant (Member)
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Post Number: 348
Registered: 03-1997
Posted on Monday, February 09, 2009 - 06:35 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only) Ban Poster IP (Moderator/Admin only)

A simple, but incomplete, answer is to use a fiberglass brush, feather duster, wide magnetic wand, or even a large wad of cotton to quickly apply fingerprint dusting powder over a large area.

A better answer is that there is no one item that should be used for developing prints over a large area, because determination of the proper development procedure requires that the nature of the surface to be examined/processed will dictate what procedure (item[s]) should be used. For example, it would be potentially destructive to important evidence to use a fiberglass brush, feather duster or similar method to apply fingerprint dusting powder to a large porous surface (such as a large mural on white paper attached to a classroom bulletin board). Other factors, such as the presence of apparent bloody impressions, or information that an item was recovered from a river, can also impact which procedure/sequence should be applied.

A good place to see the thousands of potential processing sequences to be considered is the CBDIAI website on latent fingerprint processing techniques.
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SCARLET MORUA (Unregistered Guest)
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Posted From: adsl-161-5-119.mia.bellsouth.net
Posted on Monday, February 09, 2009 - 02:17 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only) Ban Poster IP (Moderator/Admin only)

What item should be used for developing prints over a large area?

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