Not every finding is conclusive. A record that appears to be relevant but cannot be confirmed, a connection that is plausible but lacks corroboration, a date that suggests a sequence but cannot anchor it: each is an uncertain finding, and each is treated differently from one that is settled.
An uncertain finding is recorded with its uncertainty. The assessment does not silently elevate it to a confirmed item, nor does it discard it. It is described as what it is: a record that may matter, with the specific reason it has not yet been confirmed. The client reading the assessment knows the standard.
The decision about whether to pursue further confirmation depends on what is at stake. A finding that would, if confirmed, change a material aspect of the picture is worth additional work. A finding that would, even if confirmed, change little is set aside as not worth the extra hours.
Where further confirmation is pursued, the methods are the ones the desk uses for everything: cross-source corroboration, contextual checks, replication of the original search through a different starting point. The desk does not invent new methods for the difficult cases; the difficult cases are simply where the standard methods get more careful work.
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A finding that cannot be confirmed after appropriate effort is marked as such and either retained for future review (when more information may become available) or set aside as not presently establishable. The client knows which.
More from the desk
The trail of an early-stage investment
How a service provider becomes a vulnerability
Agricultural land and the registers that record it
The household as an information channel
How the desk tells the client what was not found
Inherited wealth and the records it carries forward