Riddle: A married couple live in a round house. They leave their baby with a babysitter so the can have a day out. When they come back, the baby was killed! The three suspects said the following when they were asked what they were doing when the baby was killed. Mary (BabySitter) : "I was getting milk from the grocery store." John (Cook) : "I was taking a bath." Susan (Maid) : "I was dusting the corners of the house." Who killed the baby?
Answer: Susan the maid! There are no corners in a round house!