Lead Masks Case
A 1966 mystery in Brazil where two men were found dead wearing lead masks with no clear cause of death or explanation.
Documented record
Known Facts
On August 20, 1966, two men were found dead on a hill in Niterói, Brazil.
Both men were wearing lead eye masks and formal suits.
No signs of struggle or external trauma were found.
A waterproof notebook was found with cryptic instructions.
The official cause of death was listed as 'violent shock' but remains unexplained.
The men were electronics workers interested in spiritualism.
Supporting claims & documentation
Evidence For
Police Investigation Records
PRIMARY SOURCEBrazilian police documentation of the scene and findings.
SOURCE:Brazilian police archives
Notebook Found at Scene
PHYSICALWaterproof notebook with cryptic instructions found near the bodies.
SOURCE:Police evidence
Counterpoints & criticisms
Evidence Against
Drug Overdose Theory
ANALYSISSome suggest the men died from drug use, possibly related to spiritualist practices.
SOURCE:Forensic analysis
Unresolved inquiries
Open Questions
What was the purpose of the lead masks?
What did the notebook instructions mean?
What caused the men's deaths?
Were they involved in a spiritualist experiment?
Chronological record
Timeline
Two men found dead on hill in Niterói.
Police investigation concludes with no definitive cause.
Connected dossiers
Related Investigations
References & further reading
Sources
Automatically discovered links
Related Connections
Both involve activities during the 1960s period.
Both involve activities during the 1960s period.
Both involve activities during the 1960s period.