Killer Cop (Italian: La polizia ha le mani legate, literally the police's hands are tied) is a 1975 Italian poliziottesco-crime film directed in 1975 by Luciano Ercoli.

The film's plot reprises the Piazza Fontana bombing which happened in Milan in 1969.

[1] Killer Cop's plot is influenced from the Piazza Fontana bombings.

[4] Killer Cop was released in Italy on 27 March 1975 where it was distributed by Prouzioni Atlas consorziate (P.A.C.).

[1] Killer Cop has been released on DVD in Italy by Cecchi Gori with a running time of 92 minutes and 58 seconds.