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DUI-DWI Archives

Does your blood alcohol concentration really show impairment?

When people talk about the legal alcohol limit being 0.08 percent for drivers, they're talking about your blood alcohol concentration. The police can use breath tests and blood tests to measure it and see how much you've had to drink. If your BAC goes over 0.08 percent, you can get a DUI -- though you can also get one if you show clear impairment under 0.08 percent.

Field-sobriety tests: Not as foolproof as they seem

Proving that a person is intoxicated without a blood or breath test is not an exact science. There are three tests that officers use to determine if you are impaired. The problem with these tests is that people who are completely sober can fail them. The tests include standing on one leg, following a pen's movement with your eyes and walking and turning.

Not all field sobriety tests are accurate

The horizontal gaze nystagmus test (HGN), is a simple test used by the police to identify if a person is intoxicated or impaired when driving. The HGN looks at the eye movements and determines if the eyes are jerking when looking from side to side. Alcohol and some drugs make the jerking motion of the eyes more obvious, suggesting impairment.

Pulled Over? Arrested? Tell Us What Happened.

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