DUI allegations need complete total of the guru tools used in defense trials.  Defending a DUI starts by understanding not any of one's rights on the constitution were violated. Because a cop is in direct contact with you, while they are basically the only witness most of the time, their specialized education and MO is of the substance.  some of us all create mis haps, and police are no exception.  It all happens when reasonable accusation which will progress to probable cause. For example, someone gets flashed over for speeding at 1 AM.  The police officer has reasonable suspicion that you committed a moving violation, speeding.  then, when the officer tries to make eye connection or steps in closer to your auto, the cop will remark you are showing watery eyes, or there is an smell of beer. This elevates the acceptabel intuition of speeding to giving the cop probable cause that someone may be crusing around while under the influence.  ninety nine% of law enforcement will say smell of alcohol, blood shot eyes, or slurred speech.  The police may also elaborate you are fumbling about trying to get your license and insurance card in your hand. At this point the driver is likely informed to get out from a car and perform universal driving sobriety tests.  Those are SFST’s are learned under NHTSA (National road Traffic Safety Administration) regulations and must be instructed per instance.  If you do perform the checks, the police officer can make mistakes that can make the test, or tests thrown out of from evidence.  Things such as physical disabilities and optimal street conditions can be integrated amoung the results of your field sobriety test. (example: you can not do a hop and a skip and turn check on uneven sidwalk). You may usually take a digital breath test.  There are defects in these machines as well, after all they are technolgo that need to be maintained and training on all the time.  The incarceration is taped from the time the cop activates their sirens.  It is through this taped footage we are able to inform an experienced idea if the cops administration of the checks, to the clients performance taking the checks. If you give an OK to the tests or not, one usually will go to big house. If you have been incarcerated for DUI or any criminal charges or know some one who  needs a criminal defense Attorney take a look at my site here ohio als suspension Have a great day