(1) When a person charged with a crime has been committed for trial and it is intended to put him on his trial therefor, the charge is to be reduced to writing in a document called an indictment.(2) An indictment shall be signed by a Crown Law Officer and filed in the Supreme Court.(3) A Crown Law Officer may file an indictment against any person for a crime whether he has been committed for trial or not.(4) Before filing an indictment a Crown Law Officer shall satisfy himself that there is evidence against the defendant sufficient to put him on his trial or to raise a strong or probable presumption of his guilt.