There's no point to this post, just a little fact that I found to be interesting.
R. Sherira, Gaon at Pumbedita ( circa 969-998) reported in a responsum that he and his predecessors used secret police to spy upon people to be sure that they meticulously observed the Passover injunctions against leaven. (Mann, Jacob. The responsa of the Babylonian geonim as a source of Jewish history, p. 186)
Secret police, wow. It's amazing how things change and how things stay the same.