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Latent Print Examination » Questions from FP Experts for FP Experts... Processing, Testimony, and Technical Matters » Removing stamps and opening sealed envelopes « Previous Next »

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Ian Fleming (Bondy)
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Username: Bondy

Post Number: 5
Registered: 10-2011
Posted on Thursday, May 21, 2015 - 06:09 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only) Ban Poster IP (Moderator/Admin only)
I have used a hairdryer on the rear side and developed a reversed print with ninhydrin - must have been a fair bit of residue on the stamp when it was affixed to the envelope (before 1,2 indanedione days)
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sandy j (Sandylj)
Member
Username: Sandylj

Post Number: 4
Registered: 01-2008
Posted on Sunday, March 01, 2015 - 09:37 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only) Ban Poster IP (Moderator/Admin only)
Hello,
I am looking to remove stamps and open sealed envelopes to fingerprint the underside. If no identifiable prints are located, then I want to send it off for DNA analysis.
Steaming can degrade DNA, soaking can dilute it, so my question is - how do you remove stamps or open envelopes without damaging possible prints, or degrading potential DNA.
thank-you for any help
-Sandy

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