Under Washington law, the police must have reasonable suspicion to justify a traffic stop. If you are stopped without a valid reason, and subsequently charged with a crime due to evidence produced during the stop, you have grounds to suppress the evidence at trial.
If the evidence is nonetheless admitted and you are subsequently convicted, you may be able to have the conviction overturned, as illustrated in State v. Brown, a case recently ruled on by the Court of Appeals of Washington. If you are charged with a DUI, it is in your best interest to consult an experienced Washington criminal defense attorney as soon as possible to formulate a plan for your defense.
Facts Regarding the Traffic Stop
It is alleged that a police officer observed the defendant turning left, and saw the tires of his vehicle briefly crossing the divider line. He continued to follow the defendant and observed the defendant turning on his left-hand indicator as he entered the lane, then shut off his indicator before turning. No other traffic was present at the time of the turn. The officer then stopped the defendant for suspicion of driving under the influence of alcohol. The defendant was subsequently charged with a DUI. During the trial the defendant filed a motion to suppress any evidence produced during the stop, arguing the stop was not justified. The court denied the motion and the defendant was convicted of DUI. He then appealed.