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Dzhokhar Tsarnaev— Case Archive
evidenceevidencephysical2015 Federal TrialPolymers and pieces of clear, gray, and black tape from Boylston Street, as described by the defenseOn Day 25, Watkins described proposed comparisons between polymers and clear, gray, and black tape from Boylston Street and materials found at 410 Norfolk. He argued that the proposed Level 3 associations could not identify a particular roll of tape or source of caulking.
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Polymers and pieces of clear, gray, and black tape from Boylston Street, as described by the defense

On Day 25, Watkins described proposed comparisons between polymers and clear, gray, and black tape from Boylston Street and materials found at 410 Norfolk. He argued that the proposed Level 3 associations could not identify a particular roll of tape or source of caulking.

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The defense challenged whether the proposed comparisons could justify a conclusion that materials from 410 Norfolk were used to construct the bombs, warning that the jury might mistake similarity for a conclusive match.

Trial Record (1)

2015 Federal Trial

Day 25