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 Corroboration is evidence tending to confirm some fact of which other evidence is given. As a matter of common sense, the more corroboration is present the easier it is to prove a fact and from this point of view a judge will always look for corroborating evidence. Corroboration according to Osborn’s Concise Dictionary1
means independent evidence which implicate a person accused of a crime by connecting him with it, or an evidence which confirms in some fact particularly not only that the crime has been committed but also that the accused actually committed the crime. According to Oxford Dictionary2
corroboration mean evidence given to further support or strength existing evidence. Corroboration according to the Evidence Ac3
t refers to an independent statement made by other witness which proves the truth of the first evidence. It is also refer to as the requirement in some jurisdiction such as Scotland that any evidence adduced be backed up by at least one other source.ÂÂÂ
1  ÂÂÂ
8th
edition by leslie Rutherford2  ÂÂÂ
2nd edition vol.11 1963 by Horny Oxford University Sheila bone3  ÂÂÂ
Evidence act 1945 cap 112 L.F.N 1990 Corroboration is a mandatory requirement under certain circumstances, in the sense that no matter how convincing the evidence requiring corroboration is, the party relying on that evidence will fail unless he adduces corroboration. Corroboration is therefore called for where there is need order to ascertain that such evidence can be relied upon to convict the accused person. Corroboration is a ground for the admissibility of certain evidence for the purpose of conviction and if the corroborating evidence is not the same with the existing evidence an accused can not be convicted upon such existing evidence. This essay shall examine the various incidence where corroboration must or might be required to be taken before there can be a conviction, corroboration under common law , Nigerian law. It shall also examine the position of judges and statutory authorities and will also analyses various issues arising from corroboration. This project is basically directed toward analyzing corroboration as known under the Nigerian law of evidence. There shall also be an insight into various circumstances as when, where and why corroboration is required.ÂÂÂÂÂÂ