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Blue Wall Of Silence -
: Blue code, blue shield, blue curtain, or "cop culture".
Annika Liu-Blue Wall of Silence - RUcore - Rutgers University blue wall of silence
: Dates back to the post-Reconstruction Era, notably used to cover for officers moonlighting as Ku Klux Klan members. : Blue code, blue shield, blue curtain, or "cop culture"
: Driven by solidarity, isolation, machismo, and the shared danger of the profession. : Blue code
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