DUI Blood Alcohol Results Tossed by Court as Unreliable

Remember that 2009 NAS Report? One of the things it men­tioned foren­sic labs were fail­ing to do, was to report uncer­tainty of mea­sure­ment. Other fields in sci­ence do it rou­tinely — envi­ron­men­tal, med­ical, industry etc.

In foren­sic cases, espe­cially DUI cases with blood alco­hol results, the report usu­ally lists one of mul­ti­ple exper­i­men­tally obtained readings,

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Colorado Springs Metro Crime Lab Blood Alcohol Results WRONG.

Numerous news sources in Colorado are report­ing about a series of erro­neously high blood alco­hol results in DUI cases that were reported by the crime lab. The Colorado Gazette pub­lished the following:

Prosecutors have begun con­tact­ing lawyers for 82 defen­dants whose drunken dri­ving charges were based in part upon incor­rect blood alco­hol tests by the Colorado

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Charges dismissed after state lab mix-up

A foren­sic scientist’s worst night­mare — get­ting sam­ples (or sam­ple results) mixed up.

Don’t say it can’t hap­pen, just hope it only hap­pens as rarely as it is discovered/reported. It very well might be much more common.

Original arti­cle posted here.

Tooele County pros­e­cu­tors on Wednesday dis­missed auto­mo­bile homi­cide charges against a Tooele man after dis­cov­er­ing a mix-up at

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