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# DNA Evidence Checklist

Date Published
November 1, 2006
• Question 1: Was the blue hooded sweatshirt found by the police probably the one worn by the bank robber?
• Yes
• No → then the FBI’s DNA analysis of the hair will not assist you in identifying the robber.
• Question 2: Did the FBI correctly identify the mtDNA sequences of the suspect (sweatshirt hood) and known (defendant’s) samples of hair?
• Yes
• No → If you checked no, then the results of the FBI’s analysis of the hairs’ mtDNA will not assist you in identifying the robber.
• Question 3: Did the FBI correctly conclude that the mtDNA sequences of the two hair samples matched?
• Yes
• No → If you checked no, then the results of the FBI’s analysis of the hairs’ mtDNA will not assist you in identifying the robber.
• Question 4A. Did the FBI correctly calculate how often the hairs’ mtDNA sequence is likely to occur in the Caucasian population?
• Yes → Question 5A: What percent of the Caucasian population can be excluded as possible contributors of the mtDNA found on the sweatshirt hairs?
• No → Question 4B: Did the defendant's expert correctly calculate how often the hairs' mtDNA sequence is likely to occur in the Caucasion population?
• Yes → Question 5B. What percent of the Caucasian population can be excluded as possible contributors of the mtDNA found on the sweatshirt hairs?
• No → If you checked no, then neither expert's testimony will assist you in identifying the robber.
• Question 6. How many Caucasian males in the Middletown area could have contributed the hairs found in the sweatshirt hood? (Check one.)
• 6 males (prosecution expert estimate)
• 57 males (defense expert estimate)
• Other number (Text box, fill in your estimate.)
• Question 7. How likely is it that the defendant was the source of the hairs found in the sweatshirt hood? (Check one.)
• Extremely likely
• Somewhat likely
• Don’t know
• Somewhat unlikely
• Extremely unlikely