Ginger Roger's character gets whipped in the right shoulder during the whipping scene. After she is saved, she is seen rubbing her left shoulder as if it had been whipped.
At about 52 minutes in, Reagan's character puts on his suit jacket -- twice.
Steve Cochrane takes out his house key to unlock the door, but then just pushes it open.
A character is murdered by the KKK after 10pm one evening. An autopsy is performed, witnesses interviewed and a coroner's inquest is held - all by the following afternoon, hardly twelve hours after crime was committed.