What Are the Problems with Non-Interrogatory Forms of Evidence?

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What are the problems with non-interrogatory forms of evidence? Choose two forms of non-interrogatory evidence to discuss. Having enough evidence is key in charging, prosecution and finally conviction of criminals, unfortunately most cases result in the police needing and wanting more evidence. Due to insufficient evidence the Crown Prosecution Service (CPS) will not be pursued cases further, even if the police believe they have the right suspect. However there are other types of evidence collection apart from that of questioning, which falls under the title of non-interrogatory forms of evidence such as surveillance and scientific evidence. This essay explores the use of surveillance and the scientific method an its contribution to criminal detection and deterrence but argues that to the dismay of many this form of evidence is seen as problematic, as the use of personal information gathered from Scientific Evidence (DNA or Fingerprints) and Surveillance may lead to a conflict between the targets of the government/police and the liberties of civilians. The gathering of personal information has the potential to undermine privacy and limit the freedom of the individual, especially if the powers of the police are misused. With this in mind, Sanders and Young (2007:123) argue, ‘the power themselves generally decide what powers they will exercise and when. This is crime control approach.’ Ericson (1994) even argues that ‘crime control [has been] displaced by surveillance’ allowing him to define criminal justice as ‘a system co-ordinated by knowledge, communication and surveillance mechanisms’. The use of private and public surveillance (by police officers and other law enforcement officials) has become routine as police photograph and film football matches, demonstrations and VIP events and even though no crime has been committed the images retrieved are
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