Meet Lisa Martin

Lisa Martin is a retired 20-year veteran of the Denton Police Department. The marjority of her career was spent assigned to the DWI enforcement unit. She is a certified Standardized Field Sobriety Testing (SFST) Instructor and has taught multiple police officers, prosecutors, defense attorneys, and judges the Standardized Tests.

She has a vast knowledge of the administration of the Standardized Field Sobriety Tests and is considered an expert in the field. She has administered the field sobriety tests to several thousand individuals during her career that were determined not to be intoxicated, and no arrest was made.

The Field Sobriety Tests must be administered in the Standardized fashion. If the tests are not administered exactly as prescribed, the officer's determination for probable cause is clearly speculative and subjective in nature. She will analyze the reports and videos and define all areas where the tests deviated from the required standards.

Lisa Martin has earned a reputation as a leading expert in the administration of the Standardized Field Sobriety Tests and intoxication crimes. She is highly sought after for her expert testimony.