The prohibition of a turn for the worse as an element of a positive legal form of accusation, evidence and law enforcement in a certain type of criminal process

The study of the prohibition on a turn for the worse in criminal proceedings requires, firstly, to identify the initial moment from which the ban begins to take effect, secondly, to determine how it operates in pre-trial proceedings, thirdly, to clarify its connection with the return of the criminal case by the prosecutor to the preliminary investigation body and by the court to the prosecutor.