miscarriage of justice
noun /ˌmɪskærɪdʒ əv ˈdʒʌstɪs/
  /ˌmɪskærɪdʒ əv ˈdʒʌstɪs/
 [uncountable, countable] (law)- a situation in which a court makes a wrong decision, especially when somebody is punished when they are innocentTopics Preferences and decisionsc2