Related Clues:

• It can't be understood until it's broken
• "The Da Vinci ___"
• Heist target
• Jewelry box?
• Sound partner?
• It might be a close call
• Home call
• Opposite of 'out' in baseball
• Bombproof, say
• Bed intruders?
• Not risky
• Bank sight
• Do programming work
• Umpire's yell, sometimes
• Zip --