The non-arbitrary confession exclusion rule means that in criminal proceedings, only the confession made based on the free will of the respondent (that is, a confession of guilty confession) will be capable of evidence; the confession made in violation of the parties' will or legal procedures is not a confession But forced confession. According to the above definitions, Which of the following meet the non-arbitrary confession exclusion rules:. ['Suspect Smith never pleaded guilty, and the police took turns to question him.', "The police threatened the security of Robert's family by admitting that he had planned a terrorist attack.", 'Time has remained silent in court, prosecutors need to provide more evidence to prove his guilty.', 'Prosecutors in a country reach an agreement with Brown, and Brown acknowledges that the charges have been reduced.']