Originally posted by JimL
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Reasonable suspicion is required to conduct an investigative detention, though no justification is needed to begin a voluntary encounter. In that sense, suspicion does need to be developed prior to making the stop. But information learned during the stop can and frequently does contribute to probable cause for arrest. Also, if he wasn't arrested then legally speaking, no 'interrogation' took place. An interview is a conversation that occurs with a person who is not under arrest. An 'interrogation' is a conversation with someone who is under arrest.
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