I must emphasise that the function of a court in trial within trial is narrowed down to determining solely the question of voluntariness of the statement in issue and not on whether or not the statement is that of the accused person or improperly recorded. It boils down to the proposition that there is no way an accused person who has not acknowledged his alleged confessional statement sought to be tendered by the prosecution in a trial within trial can come round to object to its voluntariness. The absence of his locus to otherwise so contend is indisputable.
– Chukwuma-Eneh JSC. Ibeme v. State (2013)