Read this summary of the Klopfer v. North Carolina Supreme Court case.The state of North Carolina charged Peter Klopfer with trespass for participating in a civil rights protest at a restaurant. The jury could not agree on a verdict, which meant another trial would be held. Rather than retry Klopfer immediately, the prosecutor used a legal tactic that allowed him to keep the charge open, but put off another trial indefinitely. This meant that Klopfer would have an unresolved criminal charge hang