"The story you are about to see is true", "Just the facts, ma'am", "We were working the day watch" - phrases which became so popular as to inspire much parody - set the realistic tone of this early police drama. The show emphasized careful police work and the interweaving of policemen's professional and personal lives.
These are all of the greatest 1960's and 1970's detective, crime, police and procedural dramas; many of them, such as "The Rockford Files," also being quite comedic in their own right.