Purpose of disclosure or production of maintenance records and data
What is the purpose in Stinchcombe/McNeil disclosure or O'Connor production of maintenance records and historical data? Government...
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Stephen Biss
- May 16, 2018
- 8 min
Annual Inspections Done Without Reference to Manufacturer's Specifications
This is a sample cross-examination of an Ontario CFS scientist on the procedure used to perform an initial factory calibration (or a...
10 views0 comments
Stephen Biss
- Apr 20, 2018
- 4 min
Relevance of Contemporaneous Documentation by Inspector Taking Instrument Out of Service
Let's suppose that as a result of a disclosure request or Freedom of Information application you find an electronic or paper document...
11 views0 comments
Stephen Biss
- Apr 5, 2018
- 2 min
ABA Sequences v ACA Sequences
Purpose: To explain to the Court, the differences between ABA (Esc Esc B) and ACA (Esc Esc C) sequences To confirm that ABA sequences are...
9 views0 comments
Stephen Biss
- Apr 4, 2018
- 5 min
3 Consecutive Annual Inspections Reveal a Trend Towards Unreliability
Let's suppose that you obtain, as the result of disclosure or a Freedom of Information application of paper or electronic documents,...
7 views0 comments
Stephen Biss
- Mar 29, 2018
- 6 min
Police Fail to Correct a Linearity Problem on In-House Annual Inspection
Let's suppose that you obtain disclosure or Freedom of Information documents respecting In-house Periodic Inspections by your local...
15 views0 comments
Stephen Biss
- Mar 28, 2018
- 5 min
Police No Longer Follow ATC Best Practices Respecting Tolerance
Purpose of this sample cross-examination: To demonstrate that when the particular instrument was first placed into service, the tolerance...
7 views0 comments
Stephen Biss
- Mar 25, 2018
- 2 min
Establishment of Calibration Intervals
The concept of "calibration interval" is an important one in measurement science. Unfortunately most criminal law lawyers and Judges are...
5 views0 comments
Stephen Biss
- Mar 24, 2018
- 5 min
Internal Standards Also Need Calibration and Calibration Interval
Purpose: To explain the function of internal standards, the ITP, internal test procedure to the Court. To obtain an admission that the...
7 views0 comments
Stephen Biss
- Feb 25, 2018
- 6 min
AI Hardware and Software Can't Measure Without Learning and Re-Learning
Purpose: To educate the Court as to the "why" of the unreliability of an approved instrument to measure across the measuring interval if...
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Stephen Biss
- Feb 10, 2018
- 7 min
Causation of Error v. Calculation of Drift in Precision - Evidence Based Assessment of Reliability
What is the purpose in Stinchcombe/McNeil disclosure or O'Connor production of maintenance records and historical data? Crown CFS...
4 views0 comments
Stephen Biss
- Feb 2, 2018
- 6 min
Independent Annual Inspections v In-house Inspection by Local Police
Purpose: To obtain admissions as to the differences in inspections, in inspection standard operating procedures, and completeness of an...
6 views0 comments
Stephen Biss
- Jan 28, 2018
- 5 min
Precision Testing Using Only 2 Data Points is Inadequate to Calculate Precision
Purpose: To elicit evidence to the Court as to the inadequacy of calculation of the instrument's precision by the local police service,...
2 views0 comments
Stephen Biss
- Jan 24, 2018
- 4 min
Checking Analytical Variability and Accuracy of the Instrument? Where?
Purpose: To explore the lack of a lab setting when accuracy and precision of the instrument are checked on periodic or annual inspection....
7 views0 comments
Stephen Biss
- Jan 15, 2018
- 6 min
No Supervision by ATC, CFS, or Anyone of Annual/Periodic Inspection SOPs
Purpose: To show that the ATC recommendations for operational procedures at time of use do not account for the need during inspections to...
14 views0 comments
Stephen Biss
- Jan 10, 2018
- 10 min
Beer-Lambert Law as Stated in Training Aid is Over-Simplified and Inadequate
This blog entry contains excerpts from the cross-examination of a CFS scientist during an over 80 trial. It was suggested to the...
10 views0 comments
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