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Difference Between Reasonable Suspicion And Probable Cause

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Chapter 5 1. Answer the Chapter Review Questions 1, 5, 7, 10 and 11. 1. Compare and contrast reasonable suspicion and probable cause. Reasonable suspicion is a reasonable likelihood that a crime has been, is being, or will be committed. It is a reasonable belief based on facts or circumstances and is informed by a police officer’s training and experience. Reasonable suspicion is seen as more than a guess or hunch but is less than probable cause. Probable cause is the logical belief, supported by facts and circumstances, which a crime has been, is being, or will be committed. The difference between the two are the fact that probable cause has evidence or is fact based whereas reasonable suspicion is a hunch. 5. Compare and contrast the Aguilar-Spinelli test with the totality-of-circumstances test in Illinois v. Gates. The Aguilar-Spinelli test states that a magistrate must be informed of the reasons to support the conclusion that such an informant is reliable and credible. The magistrate must be informed of some of the underlying circumstances relied on by the person providing the information which also went by the name of the “two-prong” test. The totality of circumstances cancelled out the “two-prong” test with the rules suggests that there is no single deciding factor, that one must consider all the facts, the context, and conclude from the whole picture whether there is probable cause, or whether an alleged detention is really a detention, or whether a citizen acted under

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