Some court trials require witness testimonies as evidence in a case. The duty of the witness is to provide an account that may prove to be useful to the legal counsel that he or she is supporting. A credible witness is crucial to a court case because his or her testimony may be questioned for accuracy if a witness proves to be unreliable.
A credible witness is determined to be such based on his or her experience, knowledge, character, and relevance. Thus, credibility of a witness is of such importance that if questioned and is seen to be lacking, the testimony no longer becomes usable by the legal counsel who solicited the witness. For a credible witness to be believed, his or her integrity and honesty must be proven by the legal counsel to be unimpeachable. It becomes difficult for a witness to establish credibility when he or she was a participant in an illegal activity. It is also necessary that a credible witness be competent. He or she must be knowledgeable and experienced in the field or event that is relevant to the court case.
A person’s credibility increases if he or she is a third party that has no previous connection to any of the relevant parties involved in the court case. This is because he or she renders a testimony that cannot be considered biased to either the prosecution or the defense. A credible witness presents a testimony that is either factual or opinion-based if he or she is solicited as an expert witness.