Some employees at the Polish Post Office belonged to a self-defence and security organization, and many were also members of the Polish Związek Strzelecki (Riflemen's Association).
有些在波蘭郵局工作的員工是自我防衛及安全組織一員，而且也有很多人是波蘭Związek Strzelecki(萊夫曼協會)組織的成員。