2. CRIMINAL LAW AND PROCEDURE - CONFESSIONAL STATEMENT: Effect of failure to object to the admission of as of a confessional statement "If an accused person does not object when his confessional statement is being tendered, the only reasonable conclusion is that it was made voluntarily. See Bello Shurumo V. the State (2010) 19 NWLR (Pt 1226) 73 wherein it was held that the failure to object the two confessional statements when they were tendered and admitted as exhibits was held as conclusive evidence that they were both made voluntarily. This is more so when a counsel stands by and allows exhibits to sail smoothly through without any objection." Per OGUNBIYI, J.S.C. (Pp. 20-21, Paras. E-A) (...read in context) 3. CRIMINAL LAW AND PROCEDURE - OFFENCE OF RAPE: What is the most essential ingredient in the proof of rape "In proof of rape therefore, the most essential ingredient of the offence is penetration, the extent no matter how slight will serve sufficient proof. It is well accepted and settled that penetration, with or without emission, is sufficient even where the hymen is not ruptured. The slightest penetration has served as sufficient to constitute the act of sexual intercourse. Again see Iko V. State, Ogunbayo V. State and State V. Ojo all under reference (supra) also Jegede V. State (2001) 14 NWLR (Pt.733) 264." Per OGUNBIYI, J.S.C. (P. 12, Paras. D-F) (...read in context)