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