I always find it interesting that other state allow such checkpoints when all they do is give reason to cops to unlawfully search you and your vehicle, whether you have been drinking or not. Take for example what happened to a West Virginia resident. He was stopped with his wife at a "DUI Checkpoint" and asked to exit the vehicle. The officer never even asked him if he had been drinking, according to the lawsuit filed by the gentlemen. He alleges the officer searched him for weapons after he informed the officer he was legally carrying a firearm, permit and all. He says the officer groped his personal region (aka testicles) after the gun had been retrieved. Now, why if this man had not been asked if he had been drinking was he subject to exiting his vehicle and a search? There is no reason other than intrusive governmental authority. See the details here: Lawsuit claims man groped at DUI checkpoint.
You can also search the vast videos on youtube of persons legally exercising their rights at these DUI checkpoints only to face governmental abuse. In a word DUI checkpoints are a "bad" idea! Yes, you may find a drunk or two, but you will far exceed the benefits of these checkpoints by offending and invading the privacy of countless citizens who have done nothing wrong.
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About the author:
Nathan Webb, is a seasoned Seattle DUI Lawyer. His practice emphasizes DUI defense. He has been repeatedly recognized as one of Seattle's Best Attorneys! He was recognized as a Top Seattle DUI Attorneys by Seattle Met Magazine, Repeatedly named a Super Lawyer Rising Star in the area of DUI Defense by Washington Law and Politics Magazine, and Rated Superb for DUI Defense (perfect 10.0 out of 10.0) by Avvo.com.