the failure of a judicial system or court in the administration of justice, esp. when an innocent person is convicted of a crime
Idioms and Phrases with miscarriage of justice
miscarriage of justice
An unfair decision, especially one in a court of law. For example, Many felt that his being expelled from the school was a miscarriage of justice. This expression, which uses miscarriage in the sense of “making a blunder,” was first recorded in 1875.