What Is Considered ‘Evidence’ Against the Defendant in a DUI in PA?

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If you’ve been charged with driving under the influence (DUI) in Erie County, Pennsylvania, the prosecution can use several types of evidence against you. What follows is an overview of some evidence that could be used against you in a DUI case:

Field Sobriety Tests

Among the first pieces of evidence gathered in a DUI stop are often the results of field sobriety tests. These tests may include:

  • Horizontal Gaze Nystagmus (HGN) test
  • Walk-and-turn test
  • One-leg stand test

While these tests are commonly used, they don’t always produce reliable results. Factors such as physical conditions, nervousness, or even the weather can affect performance.

Breathalyzer Results

Breathalyzer tests are a standard tool used by law enforcement to measure blood alcohol concentration (BAC). In Pennsylvania, a BAC of 0.08% or higher is considered legally impaired for most drivers. However, breathalyzer devices can be inaccurate due to various factors, including:

  • Improper calibration
  • Operator error
  • Medical conditions that may affect results

Blood Tests

Blood tests are generally considered more accurate than breathalyzers. However, they’re not infallible. Potential issues with blood test evidence include:

  • Improper storage or handling of samples
  • Delays in testing that may affect results
  • Chain of custody errors

Officer Observations

The arresting officer’s observations can be powerful evidence in a DUI case. This may include:

  • Erratic driving behavior
  • Physical signs of intoxication (slurred speech, bloodshot eyes)
  • The smell of alcohol
  • Open containers in the vehicle

While these observations can be subjective, they often carry weight in court.

Dash Cam or Body Cam Footage

Video evidence from police dash cams or body cams can be a double-edged sword. While it may corroborate an officer’s account, it can also reveal inconsistencies or procedural errors.

Chemical Test Refusal

In Pennsylvania, refusing to submit to chemical testing (breath, blood, or urine) can be used as evidence against you. Under the state’s implied consent law, refusal can lead to additional penalties, including license suspension.

Statements Made During the Stop

Any statements you make during the traffic stop or arrest can be used as evidence. This includes admissions of drinking or drug use. It’s crucial to remember your right to remain silent and to consult with an attorney before answering questions.

Challenging DUI Evidence in Erie County

The DUI defense lawyers at McCormick & Vilushis LLC understand the nuances of Pennsylvania DUI law and how it applies in Erie County. Our experienced attorneys will carefully review all evidence presented in your case, looking for weaknesses in the prosecution’s argument and potential violations of your rights.

Remember, being charged with a DUI doesn’t automatically mean you’ll be convicted. With skilled legal representation, it’s possible to challenge the evidence against you and work towards a favorable outcome.

If you’re facing DUI charges in Erie, Pennsylvania, don’t face them alone. Contact McCormick & Vilushis LLC today at 814-455-5362 for a consultation with our dedicated DUI defense team. We’re here to protect your rights and fight for your future. Call now.

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