Atrapada en la oscuridad

I'm old enough to remember being scared silly by Audrey Hepburn's movie of the 60's - a blind woman being terrorized for something her husband stole. The hand grabbing her ankle still makes me screech. This movie is nothing original but still suspenseful in a more current way - more violence, more sexual threat. However, a huge plot hole - a dead body STINKS. Blood stinks, a body "letting go" in death stinks, a sweaty killer stinks. Also, if she could hear the guy on the balcony at the end, why couldn't she hear (or smell or feel) a guy standing a foot in front of her?