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Steven Avery & Brendan Dassey— Case Archive
evidenceevidencedocumentSteven AveryFBI EDTA test and protocolIn Day 23 closing argument, Buting characterized the FBI protocol as providing for screening and confirmation when EDTA is present in a suspected bloodstain. He argued that the test's detection limits did not justify treating a non-detection as proof that EDTA was absent.
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FBI EDTA test and protocol

In Day 23 closing argument, Buting characterized the FBI protocol as providing for screening and confirmation when EDTA is present in a suspected bloodstain. He argued that the test's detection limits did not justify treating a non-detection as proof that EDTA was absent.

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Buting used the protocol's stated screening and confirmation purpose to argue in closing that EDTA non-detections could not exclude the blood vial as a source.

Trial Record (1)