Related Clues:

• Assassin decapitated American poet
• B.... well done!
• Shout of approval from supporter - 'Five-nil!'
• Cry of approval from female supporter getting round after five
• Hired assassin in bestseller by soldier
• Jolly good one ahead of Charlie
• A code word for the letter 'b'
• Unexpected hint about mother being a killer
• Assassin executed American poet
• One paid to take out one trademark in Chinese
• Killer in bestseller by husband
• Statement of approval head of BBC communicated on radio
• Humphrys and Naughtie initially hosting radio programme -- one whose brief is to attack
• Contractor who's paid money to butcher
• Hired assassin? Good show, old boy!