SCP-451 was once a Foundation agent, but due to an anomalous cognition filter, he perceives the world as completely devoid of human life. He believes he is alone, misinterpreting any interactions as mere environmental changes. When he attempted suicide, the bullet passed through him and fatally struck a researcher, who only then could perceive SCP-451. Because of this, direct containment is impossible, and instead, the Foundation feeds him false clues to keep him occupied within Site-19, ensurin
0:37
SCP-451 was once a Foundation agent, but due to an anomalous cognition filter, he perceives the world as completely devoid of human life. He believes he is alone, misinterpreting any interactions as mere environmental changes. When he attempted suicide, the bullet passed through him and fatally struck a researcher, who only then could perceive SCP-451. Because of this, direct containment is impossible, and instead, the Foundation feeds him false clues to keep him occupied within Site-19, ensurin
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