Presenting evidence in court is the way by which cases are determined legally. Sometimes there are problems encountered with evidences presented in court and there needs to be someone to break it down or explain it to the jury. Evidences can be very technical and might not be understood by the average person, or the evidence might have implications that need additional background for it to be grasped by the listeners. It can happen for evidences to be of a certain nature that only people with a certain background knowledge can fully grasp it, that is why people of this group are called in to explain the meaning and implications of the evidences presented. That is why the court calls these expert witnesses.
In general, when a Police Expert Witness is called, it is for the court case itself. Many times prosecution and defense lawyers, whenever they feel that the evidence is vital and needs to be explained in such a way as to be understood by the jury, expert witnesses are called in. When lawyers are not capable of handling a particular subject related to the evidence presented, and so that they do not expose their ignorance to the jury, expert witnesses are called in to do the explanations on that particular subject. Experts with a working knowledge on a difficult subject matter involved in the presentation of evidence are hired by lawyers so that they remain on top of the game.
Expert witnesses can do more than just explain the evidence in court. Other services that experts can offer are to test theories regarding certain cases prior to the trial and also assist the local police in their investigation if there is a lack of manpower.
There may be some pieces of mysterious evidences presented or there needs to be some psychological analysis of the problem, and in these cases, experts are called upon to answer questions. Learn more of this at ttwilliamspi.com.
Expert witness testimony is very useful in court cases. Expert witness statements are very important to the legal system in general. With experts, lawyers gain access to knowledge that they normally would not understand, and thus allows them to have a better case which can either go for or against a defendant. Prosecution lawyers can depend on expert witness testimony by the help it provides in maintaining the appearance of a fair trial and in cases where loopholes are found, the testimony of the experts can close them. Express witness testimony is also beneficial to defense lawyers especially if this testimony leads to the opening of loopholes in the case which can turn to either level it with the prosecution or perhaps even go in their favor. Expert witness testimony is very valuable whoever benefits from it because with it a seemingly ambiguous case can be turned into something as clear as black and white. If you want to learn more, extend at http://dictionary.reference.com/browse/expert-witnesses.