Another police procedural radio series besides Dragnet was 21st Precinct. It was in some ways even more straight-forward than Jack Webb's version. This show looked at the 21st precinct of a New York City borough and the people who lived and died in it.

Radio Detective Story Hour Episode 68 - Yours Truly, Johnny Dollar #1

Listen to radio's famous gumshoes and well-remembered cops. From the fog-bound shores of San Francisco to the insurance investigations of radio's famous expense account investigator; from the riotous actions of famous gang busters to the reality based exploits of Los Angles detectives.