Doctrines governing how criminal responsibility is defined and how a criminal case proceeds from charge to verdict. Belongs here: Double Jeopardy, Exclusionary Rule, Habeas Corpus, Mens Rea, M'Naghten Rules and Presumption of Innocence. Does not belong here: a doctrine of general application across both civil and criminal courts, such as Precedent (Stare Decisis) or Res Judicata, grouped under civil procedure and judicial process instead.