Immaculate Constellation Whistleblower Matthew Brown Publicly Identifies Himself
Matthew Brown, former Pentagon employee who anonymously submitted the Immaculate Constellation report to Congress in September 2024, publicly identified himself on the Weaponized podcast. He described the program as an unacknowledged SAP tracking craft of human and non-human origin, and reported a nighttime incident near Kamchatka involving a black triangle hovering over Russian naval vessels.
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Background
On April 29, 2025, Matthew Brown publicly identified himself as the anonymous whistleblower behind the Immaculate Constellation report during an interview with journalists Jeremy Corbell and George Knapp on the Weaponized podcast. He faces potential life imprisonment and execution for his disclosure.
Background Matthew Brown held top-secret clearance while working in the Office of the Deputy Secretary of Defense for Intelligence and Security and later at the State Department.
In September 2024, he anonymously submitted a 12-page report to the US Congress.
Discovery Brown discovered the program while reviewing files labeled '2018 Schriever Wargames'.
Program Description Immaculate Constellation is described as an unacknowledged Special Access Program (uSAP) established after 2017.
- Purpose: to track advanced aircraft of both human and non-human origin.
The Incident Brown's report documents a nighttime incident in the Pacific Ocean near Kamchatka.
- A large black triangle hovered approximately 200 meters above Russian naval vessels.
- The Russians appeared to have foreknowledge.