El Cajon Breath Test Defense Attorney

Breath Testing and DUI

In any El Cajon DUI case, there are typically two main types of evidence that will be used against you by the government in their attempt to secure a conviction: chemical evidence and witness testimony. The first of these, chemical evidence, involves the driver's performance on a breath test or blood test, which is used to gauge his or her blood alcohol concentration (BAC) and therefore determine whether the driver is "under the influence". Breath tests are used a majority of the time. If a driver takes a breath test and shows a BAC of .08% or greater, the prosecuting attorney will likely move forward with DUI charges.

Because the outcome of a breath test is such an important part of your drunk driving charges, it is crucial that you work with an El Cajon DUI lawyer who understands exactly how these tests work and therefore how they may be inaccurate. There are different factors that may interfere with breath testing and result in a false high reading: improper calibration or poor maintenance of the device, diet, dental work, gastroesophageal conditions, an improperly administered test and more. Your attorney will need to conduct a complete investigation into the manner in which the breath test was administered and may also need to cross-examine the officer who administered the test in order to prove its unreliability.

DUI Lawyer Serving El Cajon

Cross-examination is a particularly useful tool in challenging a breath test, as it uncovers improperly administered tests or faults in all breath testing that officers are aware of. Your lawyer can challenge breath test results at your DMV hearing to contest the suspension of your driver's license and in criminal court proceedings to help you avoid a criminal conviction.

Find out how more about breath testing and DUI charges and find out how we can challenge breath test results to help you seek a positive case result. Contact an El Cajon Breath Test Defense Attorney at our firm today.