I-trailer entsha ongabelana ngayo, kulokhu okwefilimu «I-Rampart"inkanyezi Woody Harrelson kanye nabalingisi ababalulekile: amagama afana noBen Foster, Robin Wright, Sigourney Weaver, Steve Buscemi, Anne Heche, Cynthia Nixon, Ice Cube kanye noBrie Larson bayavela.
Endabeni, eyaqalwa ngo-1990 eLos Angeles, iphoyisa elingumakadebona uDave Brown (Harrelson) lisebenzela ukunakekela umndeni walo, futhi lilwela ukusinda kwalo. Kodwa uBrown ubanjwe enza "umsebenzi ongcolile" futhi uzithola ephakathi kwehlazo elibi.
«I-Rampart»Iqondiswa futhi ibhalwe ngu Oren Moverman ("Isigijimi") futhi isuselwe endabeni ka-James Ellroy, umbhali we-"LA Confidential. Umbukiso wayo wokuqala uzoba ngoJanuwari 12, 2012, ngenhloso yokuba nendawo kuma-Oscars.