Dragnet - Season 4 - Eps 20: Missing Persons - The Body
Joe and Bill investigate the identity of a dead 23 year old woman found under the Venice Pier. They check missing person reports to try to identify the woman, and they use a ring she was wearing and a piece of paper found on the body to track down the identity.
About Dragnet

Title: Dragnet
First Air Date: 1967-01-12
Last Air Date: 1970-04-16
Status: Ended
Rating: 6.9/10 (from 15 votes)
Language: EN
Seasons: 5
Total Episodes: 98
Network: NBC
Genres: Crime, Drama, Mystery
Production Companies: Universal Television, Dragnet Productions, Mark VII Ltd.
Synopsis
Police Detective Sgt. Joe Friday and his partners investigate crimes in Los Angeles.
Cast

Harry Morgan
Officer Bill Gannon

Jack Webb
Sergeant Joe Friday