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DUI & DWI

PRESENTATION: The Limitations of Drug Testing

Thank you to everyone who attended my presentation last week at the AACJ’s 32nd Annual DUI Conference in Tucson, Arizona (May 3 – May 4, 2019).  As promised to those who attended, here are my presentation materials converted in a series of videos. NUMBER 1/3   NUMBER 2/3   NUMBER 3/3          


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FORENSIC SCIENCE: Calibrator Concerns in Blood Alcohol Testing [DUI]

The ability to measure the amount of alcohol in a blood sample is fundamental to determining if a person violated the law.  DUI laws usually prohibit exceeding a certain amount of alcohol in a person system.  This task requires that a laboratory develop a measurement system. Within that measurement system is a machine called a gas chromatograph.  The machine performs keep reading »