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The Misleading Presentation of DWI Test Results: A Call for Better Science
Minnesota defense attorney Charles Ramsay and I discuss the importance of open disclosure of DWI test results, measurement uncertainty, and how…
10 hrs ago
•
Aaron Olson
and
Charles Ramsay
28:52
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The Misleading Presentation of DWI Test Results: A Call for Better Science
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2
A Win for the Observation Period in Breath Testing
Last week, a judge agreed with me that the pretest observation period in breath alcohol testing is necessary for a valid test.
Dec 4
•
Aaron Olson
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A Win for the Observation Period in Breath Testing
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November 2023
Uncovering the Flaws in Breath Alcohol Testing with Dr. Dennis Simpson
Dr. Simpson discusses the problems with mouth alcohol, and his research showing that breath tests are highly influenced by the duration of exhalation.
Nov 22
•
Aaron Olson
26:04
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Uncovering the Flaws in Breath Alcohol Testing with Dr. Dennis Simpson
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Mastering Data Point Analysis from the DataMaster DMT
Here's how you can analyze the data points from the DataMaster DMT.
Nov 17
•
Aaron Olson
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Mastering Data Point Analysis from the DataMaster DMT
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Diving Into Forensic Metrology with Ted Vosk
Ted Vosk, an award-winning attorney and forensic consultant, discusses the importance of accurate measurements in forensic science and the challenges of…
Nov 15
•
Aaron Olson
,
Ted Vosk
, and
Charles Ramsay
1:31:13
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Diving Into Forensic Metrology with Ted Vosk
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2
Another Win for Science
A jury came back with the verdict of Not Guilty after hearing me testify about the limitations of the DMT breath alcohol analyzer.
Nov 10
•
Aaron Olson
2
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Another Win for Science
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2
Are Standardized Field Sobriety Tests (SFSTs) Scientific?
I talk with Josh Ott, a Drug Recognition Evaluator (DRE), SFST expert, and former police officer about tests used during DUI investigations.
Nov 7
•
Aaron Olson
15:50
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Are Standardized Field Sobriety Tests (SFSTs) Scientific?
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October 2023
Two Victories for Science
The results of two recent DMT breath alcohol tests were thrown out due to mouth alcohol. Here's how the cases were won.
Oct 31
•
Aaron Olson
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Two Victories for Science
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Captivity in Forensic Science: Breaking Free from Law Enforcement with Max Houck
Listen now (26 mins) | Max Houck joins me to discuss the challenges in forensic science, including the captivity within law enforcement.
Oct 25
•
Aaron Olson
and
Max Houck
25:36
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Captivity in Forensic Science: Breaking Free from Law Enforcement with Max Houck
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Can All Healthy Adults Use a Breath Alcohol Analyzer?
I talk with Galen Ives, about his latest paper showing that not all healthy people can provide a valid breath sample into breath alcohol analyzers.
Oct 6
•
Aaron Olson
and
Galen Ives
13:15
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Can All Healthy Adults Use a Breath Alcohol Analyzer?
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September 2023
Finding Flaws in the Intoxilyzer Source Code with Charles Ramsay
Listen now | Chuck Ramsay joins me to talk about DWI science and law. Chuck tells me about the how the state tried to hide flaws in the source code of…
Sep 26
•
Aaron Olson
and
Charles Ramsay
31:05
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Finding Flaws in the Intoxilyzer Source Code with Charles Ramsay
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Adjusting for Bias in Alcohol Measurements
The results of a breath, blood, or urine alcohol test should be adjusted downward when an instrument is reading high.
Sep 20
•
Aaron Olson
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Adjusting for Bias in Alcohol Measurements
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