Category Archives: Legal Resources

Useful and Informative Legal References

What is a “blank error” on the Datamaster DMT Breath Machine?

The machine uses infrared principles to test the alcohol concentration in a breath sample. A beam of infrared light passes through the chamber and measures the concentration of alcohol molecules based on the reduction of energy as the beam passes … Continue reading

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Can a DUI Prevent You From Entering Canada?

The question of whether a pending DUI or a conviction for driving under the influence in California will bar travel to Canada is a recurring question that has been a source of confusion for many decades. You see, Canada has … Continue reading

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Is Low Volume In A DUI Blood Vial A Potential Defense?

Here is the situation: You were arrested for DUI and submitted to blood testing, the sample came back above .08 but the volume of blood in the tube is below the normal quantity (typically 10 ml). The question becomes is … Continue reading

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Does a Pilot Need To Report A Refusal to the FAA?

The answer to this question requires a brief discussion laws, rules and regulations. First, 14 Code of Federal Regulations (CFR) 61.15(e) requires that everyone holding a pilot’s license report motor vehicle actions (see 61.15(c) for definition but it includes DWI/DWAI … Continue reading

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Are Field Sobriety Tests Reliable?

In California, as is the case in most states, Field Sobriety Tests are used to determine probable cause to arrest for driving under the influence. The “tests” are also used as substantive evidence of impairment for purposes of proving whether … Continue reading

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