Being wrongfully convicted means that someone is found guilty and punished for a crime that they did not commit. Wrongful conviction can occur for several reasons in a case, including when an innocent person pleads guilty in order to get a plea bargain. The lack of definitive evidence can lead to the defendant being wrongfully convicted because the jury doesn’t have very many facts to look at and they might make a decision just based on how they “feel” about that person. Another thing that leads to wrongful conviction is the weight that is placed on an expert’s opinion. If an expert testifies that they believe the evidence points to the defendant being guilty, then the jury will often put a lot of weight on that expert’s opinion, even if it’s not extremely relevant. The good thing is that wrongful conviction can be reversed in most legal systems. The ability to analyze old DNA samples with new technology has lead to several convicted felons being exonerated.