Campo di cipolle was released in the year 1979。Campo di cipolle is also called as The Onion Field, Tueurs de flics, Poliisiauto 6-Z-4 ei vastaa, Mord im Zwiebelfeld, Mord am Zwiebelfeld, Crime em Campo de Cebolas, Campo de cebollas, Assassinato a Sangue Frio。

Greg Powell is a disturbed ex-con who recruits Jimmy Smith (aka Jimmy Youngblood), a petty thief, as his partner in crime. Powell panics one night when the two of them are pulled over by a pair of cops for broken brake-lights. Powell decides to kidnap the cops and Smith, as always, reluctantly goes along with Powell's crazy scheme. The group drives out to a deserted onion field in Bakersfield, California and one officer is shot while the other escapes. The remainder of the film explores the nature of the American justice system, as well as the devastating psychological effects of this event and the trial on the surviving officer.

Campo di cipolle actors and actresses include K Callan, Ted Danson, William Sanderson。