Level 1: Initial Review
Limited question and source set, with primary red flags and no comprehensive conclusion.
Aperture resource
Comparison of Review Levels
A four-level depth model helps clients understand what additional work is added as complexity and consequence increase.
Purpose
Level 1 is an Initial Review. Level 2 is Structured Verification. Level 3 is Investigative Review. Level 4 is a Complex or Multi-Stage Engagement.
Four review levels
Level 2: Structured Verification
Multiple source types, claim-to-source mapping, counter-evidence, chronology and evidence gaps.
Level 3: Investigative Review
Expanded public-source research, regulatory and litigation review, entity mapping and alternative explanations.
Level 4: Complex or Multi-Stage Engagement
Multiple jurisdictions or entities, large document sets, external specialists and staged outputs.