According to his official bio on CBSNews.com, Miller briefly served as New York City Deputy Police Commissioner from 1994-1995, when Bratton was commissioner. Miller served as chief spokesman for the department during his tenure with the NYPD.
CBS News correspondent John Miller coming back to NYPDNew York Daily News (blog)
CBS News’ Miller back to law enforcementMiamiHerald.com
Source: New York News By Google