Most DUI investigations result from a vehicle code violation observed by a police officer. That is, a Los Angeles police officer sees speeding or some other violation of traffic laws and pulls a driver over. Once the police officer pulls you over and he believes you have been drinking, he will start a DUI investigation.
Most DUI investigations result in an arrest because the results of the breath test are often not accurate and the field sobriety tests are subjective. However, even if your Los Angeles DUI investigation resulted in an arrest, the police must justify the initial stop and if the stop is illegal, Los Angles DUI attorney can help you win your case.
Because DUI investigations must be based on Probable Cause, the stop has to be justified. If you were pulled over illegally, you can fight your case in court and get a dismissal of your DUI case in Los Angeles.
Violations of speeding laws must be justified with a radar. Under “speed trap” provisions of the California law, whenever police uses radar or lidar to justify a traffic stop for speeding, current engineering, and traffic survey is needed to justify the speed limit. This rule is found and supported by the case law of People v Cooper (2002) 101 CA4th Supp 1, 7.
Thus, if you are pulled over for speeding, contact a Los Angeles DUI attorney to help you defend your case.