Possible Clues:

• Not factual or honest
• Faithless? Don't you believe it!
• So they're lying thus at the end of 19 across
• If the nut is broken, you'll regret it lying there
• A French right to be wrong
• Crazy nut's regret is false
• Start to turn with a twist to get you to lie the East
• Nut chewed with regret? It's like a pork pie
• Made-up with peacekeepers in accordance with the facts
• Bus not regularly on the way in Paris. That's not right!