Today, 10:40 AM
I disagree. It's to decide if it's reasonable, at least if done within the framework of the Constitution taken literally. Otherwise, warrants would always be required, not just for misdemeanors, but also for felonies.
Just as with deciding reasonableness before the fact, so also after the fact, the judges, in this case the Supreme Court, may decide if this particular search was reasonable or unreasonable. And that can and should be decided without regard for whether or not the officer had a warrant.
In the case at hand, the argument against requiring a warrant would be that by the time he got a warrant, the blood alcohol level that he would be able to test the suspect for would no longer be indicative of what it was when the suspect was driving on public roads, and thus if the search was reasonable at all then it would need to be performed without waiting for a warrant. But that is what the question really should boil down to for SCOTUS--whether or not it was reasonable at all.
If a search is reasonable, then neither the 4th Amendment nor anything else in the Constitution requires that a warrant be gotten prior to performing it. There may be statutes that require that. And there may be court rulings that were made by judges who view the Constitution as a living document that require that through reading into the Constitution things that aren't there. But the Constitution does not. And the title of this thread says that SCOTUS will rule on the constitutionality of it.
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