Strategies for Cross-Examining the State’s Expert
- The “Short and Simple” Approach
- Breath Testing Is Quick and Cheap
- Point Out Bias
- Machines Make Mistakes and Need Repairs
- You Can’t Tell This Jury What My Client’s BrAC Was When He Was Driving
- Marry the Technical Supervisor to the Experts
Potential Attacks on Breath Testing Weaknesses
- Breath Temperature
- Breath Sample Not Preserved
- Mouth Alcohol and the Slope Detector
- Disconnect Defense
- Not Specific for Alcohol/Interferents
About the Authors
Deandra M. Grant has practiced criminal law for 19 years and has represented hundreds of Texans charged with criminal offenses, including DWI, violent felonies, and sex crimes. She has successfully completed many training programs related to DWI defense, including the operator certification course for the Intoxilyzer 5000, the breath-test machine used in Texas. As a former prosecutor, she knows firsthand how to counter the prosecutor’s evidence and strategy.
Kimberly Tucker has practiced criminal law since 1995 and has represented hundreds of Texans charged with criminal offenses, including numerous DWI cases. She has successfully completed many training programs related to DWI defense, including the practitioner and instructor courses for the SFST certification and the overview course for the Intoxilyzer 5000. In addition to running a successful law practice that focuses exclusively on criminal defense, Mrs. Tucker is raising two sons and running for judge in Denton County, Texas.
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