REPUBLIC v. AGYIRI ALIAS OTABIL Evidence—Confession statement—Admissibility—Voluntary confession of an accused to commission of crime sufficient to support conviction—Onus on prosecution to prove confession voluntary—Confession statement of A tendered during his trial—A claiming he was beaten and forced to thumb-print fabricated confession statement—Alleged independent witness not called on ground that he was out of jurisdiction and no written statement from him tendered—Whether confession statement admissible—Evidence Decree 1975 (NRCD 323), s. 118.