DWI enforcement, drug impairment investigation, and traffic-related incident analysis are central to this law enforcement professional’s expert witness practice, supported by over 15 years of experience. Their background includes work in patrol operations, specialized enforcement units, and crash investigation functions, with direct involvement in investigating alcohol- and drug-related collisions and criminal traffic incidents. Ongoing work through an independent consulting and training practice reflects continued responsibility for developing training programs, conducting research in traffic safety, and providing analysis in matters involving impaired driving and accident investigation.

Their experience includes accident investigation and reconstruction, drug and alcohol impairment evaluation, and analysis of evidence derived from breath and blood testing. Core areas of expertise involve field sobriety testing, drug recognition methodologies, and assessment of blood alcohol content absorption and elimination rates. The expert has extensive experience with breath testing instrumentation, including Intoxilyzer and Intoximeters devices, as well as radar and lidar speed measurement systems. Investigative work has included felony and fatal collision cases, vehicular assault, vehicular manslaughter, and pedestrian-related incidents, supported by application of standardized testing protocols and reconstruction techniques.

In legal matters involving law enforcement practices and traffic incidents, this expert provides analysis of DWI investigations, impairment determination, accident reconstruction, and the application of breath, blood, and field testing methodologies. Their work addresses interpretation of test results, evaluation of investigative procedures, and assessment of radar and lidar evidence in traffic enforcement contexts. The expert has provided consultation, deposition testimony, and courtroom testimony in both civil and criminal cases, including appearances in courts across multiple jurisdictions involving DWI, drug impairment, and crash investigation issues.

Their qualifications include a Master of Science in Criminal Justice Administration and a Bachelor of Arts in Criminal Justice. Training includes advanced accident investigation, accident reconstruction, standardized field sobriety testing, drug recognition expert programs, radar and lidar operator and instructor training, and crash data retrieval certification. Professional involvement includes participation in programs and conferences associated with organizations such as IACP, NHTSA, and the Missouri Office of Prosecution Services, reflecting engagement with established enforcement standards and investigative methodologies.