The Laureen Rahn case appeared to be a straightforward analysis. There was enough information about Laureen’s character and behavior to contribute to a victimology assessment, and a fair accounting of her last known activities. But halfway through the ACH matrix, it became clear that the available evidence was not strong enough to distinguish between multipleContinue reading “Laureen Rahn: ACH Stalls And TRACE Falls Short”
Tag Archives: ACH
Judy Bradford Smith: Using “Imperfect” Sources To Support Your Analysis
The Judy Bradford Smith case presented challenges that called for the use of some source documents that would not typically meet the standard for intelligence work. Here, the lesson is not to avoid these sources. Instead, it is to grade citations and disclose the level to which the information can be verified so your audienceContinue reading “Judy Bradford Smith: Using “Imperfect” Sources To Support Your Analysis”
Kendrick Lamar Johnson: Evaluating The Quality Of The Underlying Evidence
The Kendrick Lamar Johnson case illustrates that when the most diagnostic evidence cannot be reliably interpreted, confidence in every competing hypothesis is necessarily constrained. Methodology and Scope This case study is an educational demonstration of structured intelligence analysis using publicly available information. It is not an official investigative finding and reflects the evidence available atContinue reading “Kendrick Lamar Johnson: Evaluating The Quality Of The Underlying Evidence”
Davina Buff Jones: Compromised Evidence And The “Indeterminate” Hypothesis
Compromised evidence at the scene of the death of police officer Davina Buff Jones prevented a strong conclusion about the manner of death. In similar cases, adding the qualifier “indeterminate/insufficient evidence” to the list of hypotheses can bring attention to the fact the leading theory still possesses inconsistencies so severe that a confident judgment remainsContinue reading “Davina Buff Jones: Compromised Evidence And The “Indeterminate” Hypothesis”
What Happened To The Jamison Family?
The case of the missing Jamison family illustrates how unresolved investigations can accumulate narrative distortion over time. ACH mitigates this problem by separating emotionally compelling or speculative details from evidence that genuinely discriminates between competing hypotheses. Methodology and Scope This case study is an educational demonstration of structured intelligence analysis using publicly available information. ItContinue reading “What Happened To The Jamison Family?”