Related Clues:

• Recombinant letters
• What makes you you?
• ID material
• It may be registered or certified
• Postal letters
• Forensic evidence letters
• Crime lab clue
• Material that may cinch some suits
• Some airplane cargo
• Some ''CSI'' evidence
• "CSI" tool
• Armor of a sort
• "CSI" find
• Armour of interlinked metal rings
• Material used in ''Jurassic Park''