security for the movie. >> hit that first beat hard. you're cruising down the street. >> all right. ♪ cruising down street in my six snows zbloez that was dope. >> compton's ice cube, easy e and dr. dre. you are witnessing history. >> people are scared of you guys. you have a unique voice. >> they want nwa? let's give them nwa. >> reporter: the biopick tells the original story of the rap group. in. w.a. during the late 1980s and includes scenes of police brutality and los angeles gangs. the lapd told cnn money there would be extra police around theaters for this film's release. the movie made its premier last night without a hitch but there are some concerns about this coming weekend.