Riddle: A man is found murdered on Sunday morning. His wife calls the police and they are given the following information: The wife says she was sleeping. The butler says he was cleaning the closet. The gardener says he was picking vegetables. The maid says she was getting the mail. The cook says she was preparing breakfast. Immediately, the police arrest the murderer. Who did it and how did the police know?
Answer: The maid did it because you don't get mail in Sunday!