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Steven Avery & Brendan Dassey— Case Archive
evidenceevidencedigitalSteven AveryBullet-fragment DNA test and contaminated controlIn Day 23 closing argument, Buting disputed the DNA conclusion for bullet fragment Item FL. He argued that contamination of the control made the result unreliable and criticized Culhane's decision to report an inclusion despite the laboratory protocol.
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Bullet-fragment DNA test and contaminated control

In Day 23 closing argument, Buting disputed the DNA conclusion for bullet fragment Item FL. He argued that contamination of the control made the result unreliable and criticized Culhane's decision to report an inclusion despite the laboratory protocol.

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Buting challenged the bullet-fragment DNA conclusion in closing argument because the test control was contaminated and Culhane had departed from protocol.

Trial Record (1)