After the scene where the rapist gets run over by the train,and all the cops and detectives are searching the area,the reporter or whatever he was, lit the Daredevil sign on fire.If you look in the reflection of the man's glasses you'll see that the DD sign should be the reversed.
Well, don't different types of lenses (i.e. plus or minus lenses)flip or reverse the images differently? Maybe he wore glasses that did that. If he was wearing sunglasses (I forget) than they could have been prescription sunglasses... just a thought...