Blackmail's the crime of threatening to reveal substantially true information about a person to the public, a family member, or associates unless a demand made upon the victim's met. This information's usually of an embarrassing and/or socially damaging nature. As the information's substantially true, the act of revealing the information may not be criminal in its own right nor amount to a civil law defamation; the crime's making demands to withhold it. English Law creates a much broader defini… (More on Blackmail)