The function of the forensic evidence linkage triangle is to remind the crime scene investigator that each item discovered must be considered as a mechanism for linking the scene,the victim,or the suspect in some form or fashion. The definition of physical evidence is any and all objects that can establish that a crime has been committed or can provide a link between a crime and its victim or a crime and its perpetrator.

Taking into consideration the above two sentences, describe the purpose of the evidence linkage triangle. What type of physical evidence would haveevidentiary valueto link a victim to a suspect? Suspect to a victim?Victimor suspect to a scene? Note the words evidentiaryvalue. Finding the victim's DNA in the victim's residence would not necessarily have evidentiaryvalue.