Competency to stand trial (CST) is determined by medical experts who are given the power to determine whether defendants are rationally able to participate in court proceedings. However, the possible infringements of rights are largely dependent on the opinions of an expert who is only deemed reliable and accurate based on their status as an “expert”. This essay will argue that the use of expert witnesses is ineffective as a means to determine competency and is also a risk to individual constitutional rights. The essay will outline the roles of the expert witness and the contributions of their opinions towards determining CST. However, there are complications with the nature of the use of an expert, as it may infringe on the defendants right …show more content…
The expert is often asked to give their experienced opinion on hypothetical questions related to the case, based on the facts presented. However, the “hearsay rule” designates that they were not allowed to disclose information that was obtained outside of court (Johnston and Sartwelle 2013). Other than this rule that governs all court processes, there are few regulations regarding the expert’s testimony. As long as the opinions of the experts were relevant and reliable in the realm of the expert’s field, it would be acceptable (Johnston and Sartwelle 2013). As a result, expert witness controls great power in the court room. Also, since, modern values of medicine and science has led to the dominance of everyday life, the role of an expert witness seems natural and justified (Rogers and Shuman 2005, Chap 3). This is documented in studies where they have found that there are more than 80% of civil cases where expert witnesses are incorporated in the judicial process (Johnston and Sartwelle 2013). With the power that expert witnesses command in court, and the lack of regulation of how their opinions can be applied, it can compromise the due process initiatives of the