Question: A cheap man and his wife decide to go on a trip for their 10th anniversary. They go to Brazil and while touring the rain forest his wife falls off of a bridge to her death.
Shortly after her death one of the flight attendants on their flight sees a report on her death on television. She immediately calls the police and tells them the man murdered his wife.
How did she know?
Answer: She took their tickets on the flight and noticed that one of their tickets was a roundtrip ticket and the other was a one-way.