overview : Lt. Frank Ballinger is a no-nonsense plain clothes cop in the elite M Squad Division. The Squad's task is to root out organised crime and corruption in America's Second City, Chicago.

First Air Date : Sep 20, 1957

Last Air Date : Jun 21, 1960

Runtime : 30m

Episodes : 117

Seasons : 3

Genre : Crime,Drama,Mystery,

Companies : Revue Studios, Latimer Productions

Countries : US

Keywords : chicago, illinois, police, organized crime, police detective