Criminal detection and proceedings never exist or function independently, the system, as a whole is an inherently complex network of interacting parties, procedures and forces. The shaping of criminal detection by both social and political forces arguably has positive and negative implications for the efficiency and effectiveness of the criminal justice system. The role and influence of …show more content…
The reactive nature of criminal investigation calls for the collection of information in the form of data and knowledge. Knowledge is based around roles of individuals at the crime scene, potentially having beneficial and adverse effects on shaping the outcome of the investigation. Police have the power to establish a crime scene under Parts 7 of Law Enforcement (Powers and Responsibilities Act 2002 (NSW) however can failure to recognize and do just that. The recognition of a crime scene and the first respondents actions can shape the remainder of the investigation, failure to establish a crime scene can result in the loss of evidence and loss of potential witnesses “the sooner the recording of the scene begins, the more confident the crime scene examiner (and the investigator) can be in their perspectives and opinions regarding the event (Garrison 2003:73). Furthermore the effective control of a crime scene in regards to roles, coordination and order is shaped by the relationships and understandings between relevant parties. Not understanding the chain of command, policies and procedures can be problematic as each separate party acting as sole entities …show more content…
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Locard’s (1910) University of Lyons, France, developed what is known as the Locard Exchange Principle in