Principles of Forensic DNA
for Officers of the Court

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Module 13 :: Trial Presentation

Topic 4 :: Trial Presentation

Direct Examination

• Was crime scene evidence tested?
• Was DNA from a suspect tested?
• Was there a match?
• Explanation of DNA.
• Explanation of testing conducted in this case.
• Item(s) tested (and chain of custody).
• Opinion.
• Information used to arrive at opinion.
• Basis of opinion.
• Methodology, including non-forensic uses.
• Consideration of alternatives and contrary theories.
• Identification of defendant as the source of the evidence
• Charts.