I was referring to people with authority such as medical examiners or qualified medical professionals. By legal actions, I would argue that assisted suicides should be permissible only upon applying for a court order to terminate life. In such cases, assisted suicide will only be allowed to take place upon the permission of the court which has the power and authority to carefully examine the circumstances relating to that person. I beg to differ that there is no way a court would allow an innocent person to die. Many people who are brain dead are not necessarily dead and there may be a slight chance of approval but yet courts have granted approval by means of court orders to terminate the life of that person.

Are you referring to Oscar Pistorious? Because if you are, that case is still in trial and the defendant has not been found guilty. Witnesses are currently being cross examined so I believe your facts might not be accurate. But lets set aside the example you used and lets assume that he was found guilty indeed. Psychology still plays a role in EVERY case and plays a powerful role in bringing the defendant to justice. Psychology involves the manner in which the judge, prosecutors and members of the jury view the facts and evidence of the case and their interpretation of the circumstances which they may relate to their own personal experiences or values. Without forensic technology, society would be crowded with criminals and dangerous offenders. It is science that helps to determine whether a person die by murder or other suspicious means so yes science plays a powerful role also in bringing an offender to justice. Psychology has to be backed by scientific data before it can even be allowed in the courtroom or it becomes unsupported facts which are often instructed by the judge to be disregarded. Our court system has failed in the past but it does not mean we have to let the past affect the present and the future when our constitution constantly evolves.