Quote Quoting cdwjava
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...a detention "justified solely by the interest in issuing a warning ticket to the driver can become unlawful if it is prolonged beyond the time reasonably required to complete that mission."... And, a further decision that states that the key is whether or not "the police diligently pursued a means of investigation reasonably designed to confirm or dispel their suspicions quickly."... They have further decided that questioning the driver on matters unrelated to the reason for the traffic stop is allowed as long as the questioning does not unduly prolong the detention.... the officer's inquiries may not "measurably extend the duration of the stop.")...
Those cases, in essence, are all reciting the de minimis standard. I agree with Carl that if the Supreme Court changes that approach, defining a time threshold for what constitutes arbitrary detention without any reasonable suspicion, "it sets a precedent that should set any civil libertarian afire as it opens the door for detentions without any cause". The Supreme Court has been very reluctant to endorse bright line rules in the past, and I don't expect that to change. It may be difficult to define the precise conditions under which a detention becomes unreasonable, but I very much doubt that the Supreme Court is going to resolve the conflict by choosing an arbitrary number of minutes of detention.