What evidence is typically used to prove a DWI charge?

Typically, a prosecutor will use any combination of evidence to prove a DWI charge in California. This evidence can include field sobriety tests, blood alcohol concentration (BAC) tests, physical evidence, and testimony from witnesses. Field sobriety tests are a series of tests that are conducted by police on the roadside, with the end goal of determining the impairment of the suspect. These tests can typically involve tasks such as following a pen with your eyes, standing on one leg, and reciting the alphabet backwards. Blood alcohol concentration test results are typically used to prove BAC levels. This test is typically done by drawing a sample of blood, or breath into a breathalyzer machine. A BAC of 0.08% or higher is considered the legal limit in all 50 states. Physical evidence is typically used to prove a concussion or other bodily symptoms that correlate to a DWI arrest. This might include evidence such as skid marks on the road or photographic evidence of the scene. Lastly, testimony from witnesses is used to provide an outside viewpoint of the incident at hand. Witnesses can typically include police officers, breathalyzer operators, or other people present at the scene. In conclusion, evidence used to prove a DWI charge in California can involve a variety of sources, including field sobriety tests, BAC tests, physical evidence, and witness testimony.

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What evidence is typically used to prove a DWI charge?

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