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What are they hiding in Room 641A

What are they hiding in Room 641A

Update: 2025-08-21
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Episode Notes


In 2003, Mark Klein, an AT&T technician at the SBC Communications building in San Francisco. Found a bolted shut bright yellow door labeled 641A. What he found inside was deeply disturbing.


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Sources:
https://covertaccessteam.substack.com/p/what-is-inside-room-641a 
https://en.wikipedia.org/wiki/Room_641A


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What are they hiding in Room 641A

What are they hiding in Room 641A