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.
1967
1975
1982
2012
1959
1973
1986
2010
1981
2011
1997
2022
1993
2016
1974
2021
1951
1955
1972