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Understanding DWI defense in Texas

On Behalf of The Shapiro Law Firm | Jul 20, 2026 | DWI-DUI

Texas treats DWI charges seriously, and a conviction can follow you for years. If you face a DWI charge, you need to understand your rights and options fast. A strong defense can protect your license, your record and your future.

What counts as DWI in Texas

Under Texas law, driving a vehicle while impaired by alcohol or drugs qualifies as DWI. A blood alcohol level of 0.08% or above gives officers grounds to charge you. They can also charge you if you lose normal use of your mental or physical faculties even below that number. Texas doesn’t require a specific number for a valid arrest.

Common defense strategies

Defense attorneys often challenge the traffic stop itself. Police must have a legitimate reason to pull you over and if they lack it, your lawyer can move to suppress the evidence. Attorneys also question field sobriety tests since fatigue, medical conditions or nerves can affect your performance. Breathalyzer and blood test results face scrutiny too because equipment errors and improper handling happen often.

Why the arrest process matters

Police must follow strict procedures during a DWI arrest. They need to read your Miranda rights if they intend to interrogate you while in custody. Failing to do so only suppresses your statements, not the physical evidence or the validity of the arrest itself.

Take note, though, that they must maintain a proper chain of custody for any blood or breath samples. If they skip a step, your attorney can use that mistake to weaken the prosecution’s case. Courts take these procedural rules seriously and violations can lead to reduced charges or dismissal.

Penalties you could face

Texas imposes harsh penalties for DWI convictions. First offenses can bring criminal fines up to $4,000 (for high BAC cases), jail time, license suspension and additional mandatory state traffic fines between $3,000 and $6,000.

Repeat offenses carry steeper consequences, including mandatory ignition interlock devices and longer jail sentences. A skilled defense attorney can negotiate these penalties down or fight for an acquittal.

Finding the right defense attorney

Choose an attorney who focuses on DWI cases and knows Texas courts well. Ask about their track record and how they approach cases like yours. A knowledgeable attorney reviews every detail, from the traffic stop to the test results and builds a defense that fits your situation. Don’t wait to seek help. Early action gives your attorney more time to build a strong case.

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