Secondly, the circumstances of the violence or accident are needed for the classification of external causes of death.  If violence was involved, it is necessary to indicate the method of the violence.  In the case of suicide, it is important to state the method used to end life. Such as, by hanging, poisoning or gunshot. In the case of homicide, it is necessary to state how the murder was committed. For example, was the victim shot, stabbed, strangled, suffocated or hit with a blunt object?