The question whether or not a witness is an accomplice is one of law not of fact and if, as here, the learned trial Judge erred in regarding P.W.(18) as an accomplice (to the crime of conspiracy) it is certainly open to an appellate court (and in this instance, the Federal Court of Appeal) to reverse the erroneous view of the learned trial Judge.
— Idigbe, JSC. Ishola v State (1978) – SC.8/1977