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Wildest theories yet: Lilly & Jack Sullivan's step-dad tells all about what he think happened

youtube.com

A year after two young siblings vanished in Nova Scotia, their step-dad's "wildest theories" reveal how unsolved disappearances breed narrative bias and motivated reasoning in those closest to the case.

Motivated ReasoningNarrative BiasAttribution TheoryAvailability Heuristic

Theory Briefing

  • Lilly (7) and Jack (5) Sullivan have been missing for a full year after vanishing from Lansdowne Station, Nova Scotia.
  • Their step-dad publicly shares his own theories — a classic case of how grief and proximity can distort objective reasoning about evidence.
  • With no resolution, the information vacuum fuels competing narratives, illustrating how humans construct explanations to cope with uncertainty.