Revealing mistake: When Hartigan is talking to Shellie the waitress, asking about Nancy, you can tell that the bottles of beer are glued or otherwise fastened to Shellie's tray, because she tilts the tray enough to tip the bottles over several times, and you can see the liquid inside them tilt as well, but the bottles stay put.
Sin City (2005)
41 mistakes - chronological order
Marv: I don't know why you died, Goldie. I don't know why and I don't know how. I never even met you before tonight. But you were a friend and more when I needed one. And when I find out who did it, it won't be quick and quiet like it was with you. It'll be loud and nasty - my kind of kill. And when his eyes go dead, the hell I send him to will seem like heaven after what I've done to him. I love you, Goldie.
Trivia: Because everything was shot against a green screen, some bits of colour proved difficult. Yellow Bastard especially was hard, as yellow bleeds into the green screen and can't be separated cleanly. To get around this, Robert Rodriguez painted him blue, then turned him yellow in post production.
Answer: Not much is given on Miho's story in the graphic novel. Some is given in the story "A Dame to Kill For" where Dwight explains he saved her life once. Frank Miller in the extended cut DVD commentary stated she was a demon, but that is never mentioned in the story.
MasterOfAll