March 20, 2010
DUI and Driving Offenses
The Office of the Attorney General (OAG) has been notifying defense lawyers in many cases in which D.C. police used the Intoxilyzer 5000EN that the prosecution will not introduce breath test results into evidence. The form letter informs counsel that “there MAY have been a past calibration issue with the Intoxilyzer utilized by the Metropolitan [...]
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March 7, 2010
DUI and Driving Offenses
D.C. criminal defense lawyers have long challenged the accuracy of the breath test machine used in the District, the Intoxilyzer 5000EN, to measure blood alcohol concentrations of drivers suspected of driving while intoxicated (DWI). Even when properly calibrated, the equipment relied on a number of questionable assumptions with respect to breath alcohol as a surrogate [...]
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