By Murray McLaughlin. There are signs that the rank and file code of silence within the Queensland Police force prevails, and racist issues persist. This, combined with the return of the Nationals to government, the re-emergence of the police union as a political force and the police treatment of Aborigines has prompted the chairman of the CJC to express serious misgivings about the integrity of the Queensland Police Force. Four Corners also makes a disturbing examination of the Pinkenba Six case..