Here, at Constitution.org I found this: FN8. Joe Sexton, Jurors Question Honesty of Police, N.Y. Times, Sept. 25, 1995, at B3 (quoting Michael F. Vecchione, Brooklyn District Attorney Charles J. Hynes’s deputy in charge of trials). Consider also these words: [I]t has to be recognized that, while there is no reason to suppose that policemen [...]

Respecting “fiduciary duty” in Wikipedia I found: A fiduciary duty is the highest standard of care imposed at either equity or law. A fiduciary is expected to be extremely loyal to the person to whom they owe the duty (the “principal”): they must not put their personal interests before the duty, and must not profit [...]