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Alg
| Posted on Thursday, October 06, 2005 - 07:08 pm: |
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Blood impressions are compared the same way all other finger and palmprints are compared. The matrix left behind by the finger/palm is not the issue. The issue is the clarity of the impression and the amount of detail available to compare. Generally, more detail is available in a palm impression because they are usually bigger in size. If the fingerprint expert applies proper comparison techniques, there will be no issue with regard to the type of "ink" deposited. |
Michael J. Love
| Posted on Wednesday, July 06, 2005 - 09:05 pm: |
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I was reading about a case where the evidence is a bloody palm print left near the body. The states expert testified that it's a match. I am wondering whether the properties of the blood could lead to misidentification because of it's viscosity, coagulation effects, etc (e.g., islands misinterpreted becasue the blood ink made it appear like a straight line). My question is whether the evaluators of this evidence should be wary of blood as the ink when they analyze the print? Any thoughts or contrary views? |
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