Related Clues:

• It should be airtight
• Chevalier de Seingalt, for Casanova
• Saving yarn?
• Protective cover?
• False identity
• Criminal's handle
• ABC spy series
• Fugitive's creation
• Out, of sorts?
• Whodunit plot element
• 'I was at home washing my dog,' e.g.
• Fictitious name
• Defense aid
• TV spy series
• Rap sheet word