In Onubogu v. State (1974) 9 SC 1, this court per Fatayi-Williams, JSC (as he then was) said at page 20: “We are also of the view that where one witness called by the prosecution in a criminal case contradicts another prosecution witness on a material point, the prosecution ought to lay some foundation, such as showing that the witness is hostile, before they can ask the court to reject the testimony of one witness and accept that of another witness in preference for the evidence of the discredited witness. It is not competent for the prosecution which call them to pick and choose between them. They cannot, without showing clearly that one is a hostile witness, discredit one and accredit the other. (See Summer and Leivesley v. Brown & Co. (1909) 25 TLR 745). We also think that, even if the inconsistency in the testimony of the two witnesses can be explained, it is not the function of the trial Judge, as was the case here, to provide the explanation. One of the witnesses should furnish the explanation and thus give the defence the opportunity of testing by cross-examination, the validity of the proffered explanation.”
Now, in the first place, it is significant and most remarkable, that the learned counsel for the Appellant, in their Brief, did not point out or identify, one single evidence of any contradiction either in the evidence of the prosecution witnesses or in any documentary evidence tendered before the trial court. I suppose, and with respect, this is commonsensical, that it is not enough or sufficient to complain or allege contradictions, without indicating the areas of any such material contradiction or contradictions either in the evidence of the prosecution witnesses or in the totality of the admissible evidence before a trial court.
— Ogbuagu, JSC. Moses v State  – S.C.308/2002