And yet they still testify their results are accurate to within +/- 5% 99.9999% of the time.
Hundreds of drunken-driving cases from the past four years could be called into question if a legal effort challenging the accuracy of the Scottsdale Police Department’s blood-testing equipment is successful.
Eleven felony DUI cases in Scottsdale have been consolidated into an ongoing
[Continue Reading Scottsdale Crime Lab DUI Results Challenged…]
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,
[Continue Reading DUI Blood Alcohol Results Tossed by Court as Unreliable…]
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
[Continue Reading Colorado Springs Metro Crime Lab Blood Alcohol Results WRONG.…]
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
[Continue Reading Charges dismissed after state lab mix-up…]