♪ [ screaming ] >> the audience downstairs was screaming to such a degree that you did not hear the soundtrack. and it wasn't a scream like ahh, ahh, ahh. it was ahhh! they couldn't believe it. i couldn't believe it janet leigh was getting killed. she's the [ bleep ] star of the picture. >> suddenly we have no protagonist to attach ourselves to. there's no movie before that ever did that, and it was terrifying to be stranded there alone with a killer. and who is this killer?