Related Clues:

• Has an ace up one's sleeve, say
• Looks at the answers beforehand, e.g.
• Inventors, of a sort
• Fact fudgers
• Fabricators
• Unreliable ones
• Superdupers?
• They're not on the level
• Flouts the rules
• ___ paradox
• They're not to be trusted
• Type of poker
• They dissemble
• Munchhausen and Ananias, for two
• Polygraph flunkers, most likely