Family of three sisters found dead at Brighton beach condemn conspiracy theories
independent.co.uk
When three sisters died at Brighton beach, the internet's conspiracy machine kicked into overdrive — a textbook case of how tragedy, ambiguity, and social media supercharge collective sense-making gone wrong.
Proportionality BiasCollective Sense-MakingMisinformation SpreadMoral Panic

Theory Briefing
- Three sisters were found dead at Brighton beach, leaving an information vacuum that online communities rushed to fill with speculation.
- Relatives' use of artificial intelligence in statements inadvertently fuelled conspiracy theories, showing how unfamiliar details become 'evidence' for suspicious minds.
- The family has publicly condemned the theories, illustrating how misinformation causes real secondary harm to grieving people beyond the original tragedy.