Dragnet Episode 9 – Mad Killer At Large

9 Production 10 aka Homicide aka Maniac Murderer aka Mad Killer At Large
Title: «Benny Trounsel – Narcotics»
Case Details: Ben Romero, Chief of Detectives Ed Backstrand. Narcotics (Nightwatch)
Original air date: August 4, 1949.
Friday and Romero search for the murderer of an informant, who was beaten to death after tipping the authorities to a new narcotics.