character: Detective Smith
topic: Crime Scene Investigator Techniques
grade: 9
subject: Science
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character: Officer Johnson
topic: Chain of Custody in Evidence Handling
grade: 9
subject: Science
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character: Forensic Expert Lee
topic: Methods for Collecting Evidence
grade: 9
subject: Science
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character: Crime Scene Analyst Taylor
topic: Preserving Evidence at Crime Scenes
grade: 9
subject: Science
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