Richard CdeBaca's tenure as chief of the New Mexico State Police was a brief and controversial end to a long, productive career. Notes recorded by CdeBaca during decades as a state policeman reflect dramatic changes in how governors, legislatures, the courts, prisons and the press changed within an evolving society. It wasn't always tidy. CdeBaca remains an ardent supporter of police, but author David Roybal prods the long-time cop into telling concessions. Civil rights, as they are defined today, did not get in the way of daily patrols. CdeBaca acknowledges that State Police at times were...