Possible Clues:

• Blackmailer's specialty
• Oppressive demand
• Before court case, former spouse put demand for money
• There's a demand for the precise bit that's charged
• That's a precise one on demand
• That's the precise one on what is demanded
• Harsh demand from old lawsuit
• The precise one on the demand that's harsh
• Demand made in divorce court case?
• Exorbitant demand is without force