Possible Clues:

• Big Ben's twice this unreliable
• More than one decaf overturned by Janus
• Do we act differently hugging female, being false?
• Deceitful, insincere
• Towed model around French capital to account to Janus in Rome
• Treacherous fat cow's poorly educated
• Hypocritical couple dealt with
• The Möbius strip is not that devious
• Insincere pair confronted
• Part 2 of the question