Related Clues:

• Crime lab subject
• Weekday delivery
• Stranded material
• 'CSI' topic, often
• It may be junk
• Paternity suit evidence
• Genetic evidence source
• Some court evidence
• It often contains lots of letters
• Forensic evidence
• It makes you you
• It might be four letters
• Basis of many positive IDs
• Crime lab evidence, briefly
• Watson and Crick's lab material