Ramirez: You're never going to get these people to see themselves as they really are, 'cause it's the lies that we tell ourselves, they introduce us to him.
Salesman: Oh, this is not good.
Detective Bowden: Any luck with the elevator company?
Detective Markowitz: They're out of business.
Detective Bowden: I guess that figures.
Ramirez: When he's near, everything goes wrong. Toast falls jelly-side down, children hit tables, and people get hurt.
Young Woman: It feels like something bit me.
Young Woman: Turn on the lights.
Old Woman: Whores, liars, cheaters, and deserters: all in the same.
Answer: Yes, there are many clues actually. The old woman's reflection throughout the film always had black eyes. In one scene, they're backed against the wall, the elevator buttons look like devil horns on her head. When she goes to push the floor button, the color is red, rather than the green it is for others. The other two answers just don't pay attention.