Theories surrounding who could have killed Brooke Hanlon are swirling Comment “345” for ...
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Brooke Hanlon's death has sparked competing theories about who killed her — and the public is already building cases before investigators close theirs.
Tunnel Vision BiasPresumption of InnocenceSocial Contagion Theory

Theory Briefing
- Brooke Hanlon's killing has generated multiple competing theories about the perpetrator, with public speculation running ahead of official findings.
- The swirl of competing accounts before any named suspect illustrates how early, incomplete information shapes what people come to believe.
- Online audiences are actively constructing narratives around the case, a pattern that can harden suspicion toward individuals before evidence is tested.